diff --git a/begell-house-apa.csl b/begell-house-apa.csl
new file mode 100644
index 00000000000..a1b38dfe515
--- /dev/null
+++ b/begell-house-apa.csl
@@ -0,0 +1,1638 @@
+<?xml version="1.0" encoding="utf-8"?>
+<style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" demote-non-dropping-particle="never" page-range-format="expanded" default-locale="en-US">
+  <info>
+    <title>Begell House - APA</title>
+    <id>http://www.zotero.org/styles/begell-house-apa</id>
+    <link href="http://www.zotero.org/styles/begell-house-apa" rel="self"/>
+    <link href="http://www.zotero.org/styles/apa" rel="template"/>
+    <link href="http://dl.begellhouse.com/forauthors/journals/00551c876cc2f027.html" rel="documentation"/>
+    <category citation-format="author-date"/>
+    <category field="generic-base"/>
+    <summary>The author-date variant of the Begell House American Psychological Association style</summary>
+    <updated>2020-02-20T16:31:00+00:00</updated>
+    <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
+  </info>
+  <locale xml:lang="en">
+    <terms>
+      <term name="editortranslator" form="short">
+        <single>ed. &amp; trans.</single>
+        <multiple>eds. &amp; trans.</multiple>
+      </term>
+      <term name="translator" form="short">trans.</term>
+      <term name="interviewer" form="short">
+        <single>interviewer</single>
+        <multiple>interviewers</multiple>
+      </term>
+      <term name="collection-editor" form="short">
+        <single>ed.</single>
+        <multiple>eds.</multiple>
+      </term>
+      <term name="circa" form="short">ca.</term>
+      <term name="bc"> B.C.E.</term>
+      <term name="ad"> C.E.</term>
+      <term name="letter">personal communication</term>
+      <term name="letter" form="short">letter</term>
+      <term name="issue" form="long">
+        <single>issue</single>
+        <multiple>issues</multiple>
+      </term>
+    </terms>
+  </locale>
+  <!-- General categories of item types:
+       Periodical: article-journal article-magazine article-newspaper post-weblog review review-book
+       Periodical or Booklike: paper-conference
+       Booklike: article book broadcast chapter dataset entry entry-dictionary entry-encyclopedia figure 
+                 graphic interview manuscript map motion_picture musical_score pamphlet patent 
+                 personal_communication report song speech thesis post webpage
+       Legal: bill legal_case legislation treaty
+  -->
+  <!-- APA references contain four parts: author, date, title, source -->
+  <macro name="author-bib">
+    <names variable="composer" delimiter=", ">
+      <name name-as-sort-order="all" and="symbol" sort-separator=", " initialize-with=". " delimiter=", " delimiter-precedes-last="always"/>
+      <substitute>
+        <names variable="author"/>
+        <names variable="illustrator"/>
+        <names variable="director">
+          <name name-as-sort-order="all" and="symbol" sort-separator=", " initialize-with=". " delimiter=", " delimiter-precedes-last="always"/>
+          <label form="long" prefix=" (" suffix=")" text-case="title"/>
+        </names>
+        <choose>
+          <if variable="container-title">
+            <choose>
+              <if type="book entry entry-dictionary entry-encyclopedia" match="any">
+                <choose>
+                  <if variable="title">
+                    <group delimiter=" ">
+                      <text macro="title"/>
+                      <text macro="parenthetical"/>
+                    </group>
+                  </if>
+                  <else>
+                    <text macro="title-and-descriptions"/>
+                  </else>
+                </choose>
+              </if>
+            </choose>
+          </if>
+        </choose>
+        <!-- Test for editortranslator and put that first as that becomes available -->
+        <names variable="editor" delimiter=", ">
+          <name name-as-sort-order="all" and="symbol" sort-separator=", " initialize-with=". " delimiter=", " delimiter-precedes-last="always"/>
+          <label form="short" prefix=" (" suffix=")" text-case="title"/>
+        </names>
+        <names variable="editorial-director">
+          <name name-as-sort-order="all" and="symbol" sort-separator=", " initialize-with=". " delimiter=", " delimiter-precedes-last="always"/>
+          <label form="short" prefix=" (" suffix=")" text-case="title"/>
+        </names>
+        <names variable="collection-editor">
+          <name name-as-sort-order="all" and="symbol" sort-separator=", " initialize-with=". " delimiter=", " delimiter-precedes-last="always"/>
+          <label form="short" prefix=" (" suffix=")" text-case="title"/>
+        </names>
+        <choose>
+          <if variable="title">
+            <group delimiter=" ">
+              <text macro="title"/>
+              <text macro="parenthetical"/>
+            </group>
+          </if>
+          <else>
+            <text macro="title-and-descriptions"/>
+          </else>
+        </choose>
+      </substitute>
+    </names>
+  </macro>
+  <macro name="author-intext">
+    <choose>
+      <if type="bill legal_case legislation treaty" match="any">
+        <text macro="title-intext"/>
+      </if>
+      <else-if type="interview personal_communication">
+        <choose>
+          <!-- These variables indicate that the letter is retrievable by the reader. 
+                If not, then use the APA in-text-only personal communication format -->
+          <if variable="archive container-title DOI publisher URL" match="none">
+            <group delimiter=", ">
+              <names variable="author">
+                <name and="symbol" delimiter=", " initialize-with=". "/>
+                <substitute>
+                  <text macro="title-intext"/>
+                </substitute>
+              </names>
+              <!-- Replace with term="personal-communication" if that becomes available -->
+              <text term="letter"/>
+            </group>
+          </if>
+          <else>
+            <names variable="author" delimiter=", ">
+              <name form="short" and="symbol" delimiter=", " initialize-with=". "/>
+              <substitute>
+                <text macro="title-intext"/>
+              </substitute>
+            </names>
+          </else>
+        </choose>
+      </else-if>
+      <else>
+        <names variable="composer" delimiter=", ">
+          <name form="short" and="symbol" delimiter=", " initialize-with=". "/>
+          <substitute>
+            <names variable="author"/>
+            <names variable="illustrator"/>
+            <names variable="director"/>
+            <choose>
+              <if variable="container-title">
+                <choose>
+                  <if type="book entry entry-dictionary entry-encyclopedia" match="any">
+                    <text macro="title-intext"/>
+                  </if>
+                </choose>
+              </if>
+            </choose>
+            <names variable="editor"/>
+            <names variable="editorial-director"/>
+            <text macro="title-intext"/>
+          </substitute>
+        </names>
+      </else>
+    </choose>
+  </macro>
+  <macro name="date-bib">
+    <group delimiter=" " prefix="(" suffix=")">
+      <choose>
+        <if is-uncertain-date="issued">
+          <text term="circa" form="short"/>
+        </if>
+      </choose>
+      <group>
+        <choose>
+          <if variable="issued">
+            <date variable="issued">
+              <date-part name="year"/>
+            </date>
+            <text variable="year-suffix"/>
+            <choose>
+              <if type="article-magazine article-newspaper broadcast interview motion_picture pamphlet personal_communication post post-weblog song speech webpage" match="any">
+                <!-- Many video and audio examples in manual give full dates. Err on the side of too much information. -->
+                <date variable="issued">
+                  <date-part prefix=", " name="month"/>
+                  <date-part prefix=" " name="day"/>
+                </date>
+              </if>
+              <else-if type="paper-conference">
+                <!-- Capture 'speech' stored as 'paper-conference' -->
+                <choose>
+                  <if variable="collection-editor editor editorial-director issue page volume" match="none">
+                    <date variable="issued">
+                      <date-part prefix=", " name="month"/>
+                      <date-part prefix=" " name="day"/>
+                    </date>
+                  </if>
+                </choose>
+              </else-if>
+              <!-- Only year: article article-journal book chapter entry entry-dictionary entry-encyclopedia dataset figure graphic 
+                   manuscript map musical_score paper-conference[published] patent report review review-book thesis -->
+            </choose>
+          </if>
+          <else-if variable="status">
+            <group>
+              <text variable="status" text-case="lowercase"/>
+              <text variable="year-suffix" prefix="-"/>
+            </group>
+          </else-if>
+          <else>
+            <group>
+              <text term="no date" form="short"/>
+              <text variable="year-suffix" prefix="-"/>
+            </group>
+          </else>
+        </choose>
+      </group>
+    </group>
+  </macro>
+  <macro name="date-sort-group">
+    <choose>
+      <if variable="issued">
+        <text value="1"/>
+      </if>
+      <else-if variable="status">
+        <text value="2"/>
+      </else-if>
+      <else>
+        <text value="0"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="date-sort-date">
+    <choose>
+      <if type="article-magazine article-newspaper broadcast interview pamphlet personal_communication post post-weblog speech treaty webpage" match="any">
+        <date variable="issued" form="numeric"/>
+      </if>
+      <else-if type="paper-conference">
+        <!-- Capture 'speech' stored as 'paper-conference' -->
+        <choose>
+          <if variable="collection-editor editor editorial-director issue page volume" match="none">
+            <date variable="issued" form="numeric"/>
+          </if>
+        </choose>
+      </else-if>
+      <else>
+        <date variable="issued" form="numeric"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="date-intext">
+    <choose>
+      <if variable="issued">
+        <group delimiter="/">
+          <group delimiter=" ">
+            <choose>
+              <if is-uncertain-date="original-date">
+                <text term="circa" form="short"/>
+              </if>
+            </choose>
+            <date variable="original-date">
+              <date-part name="year"/>
+            </date>
+          </group>
+          <group delimiter=" ">
+            <choose>
+              <if is-uncertain-date="issued">
+                <text term="circa" form="short"/>
+              </if>
+            </choose>
+            <group>
+              <choose>
+                <if type="interview personal_communication">
+                  <choose>
+                    <if variable="archive container-title DOI publisher URL" match="none">
+                      <!-- These variables indicate that the communication is retrievable by the reader. 
+                           If not, then use the in-text-only personal communication format -->
+                      <date variable="issued" form="text"/>
+                    </if>
+                    <else>
+                      <date variable="issued">
+                        <date-part name="year"/>
+                      </date>
+                    </else>
+                  </choose>
+                </if>
+                <else>
+                  <date variable="issued">
+                    <date-part name="year"/>
+                  </date>
+                </else>
+              </choose>
+              <text variable="year-suffix"/>
+            </group>
+          </group>
+        </group>
+      </if>
+      <else-if variable="status">
+        <text variable="status" text-case="lowercase"/>
+        <text variable="year-suffix" prefix="-"/>
+      </else-if>
+      <else>
+        <text term="no date" form="short"/>
+        <text variable="year-suffix" prefix="-"/>
+      </else>
+    </choose>
+  </macro>
+  <!-- APA has two description elements following the title:
+       title (parenthetical) [bracketed]  -->
+  <macro name="title-and-descriptions">
+    <choose>
+      <if variable="title">
+        <group delimiter=" ">
+          <text macro="title"/>
+          <text macro="parenthetical"/>
+          <text macro="bracketed"/>
+        </group>
+      </if>
+      <else>
+        <group delimiter=" ">
+          <text macro="bracketed"/>
+          <text macro="parenthetical"/>
+        </group>
+      </else>
+    </choose>
+  </macro>
+  <macro name="title">
+    <choose>
+      <if type="post webpage" match="any">
+        <!-- Webpages are always italicized -->
+        <text variable="title" font-style="italic"/>
+      </if>
+      <else-if variable="container-title" match="any">
+        <!-- Other types are italicized based on presence of container-title.
+             Assume that review and review-book are published in periodicals/blogs,
+             not just on a web page (ex. 69) -->
+        <text variable="title"/>
+      </else-if>
+      <else>
+        <choose>
+          <if type="article-journal article-magazine article-newspaper post-weblog review review-book">
+            <text variable="title" font-style="italic"/>
+          </if>
+          <else-if type="paper-conference">
+            <choose>
+              <if variable="collection-editor editor editorial-director" match="any">
+                <group delimiter=": " font-style="italic">
+                  <text variable="title"/>
+                  <!-- Replace with volume-title as that becomes available -->
+                  <choose>
+                    <if is-numeric="volume" match="none">
+                      <group delimiter=" ">
+                        <label variable="volume" form="short" text-case="capitalize-first"/>
+                        <text variable="volume"/>
+                      </group>
+                    </if>
+                  </choose>
+                </group>
+              </if>
+              <else>
+                <text variable="title" font-style="italic"/>
+              </else>
+            </choose>
+          </else-if>
+          <else>
+            <group delimiter=": " font-style="italic">
+              <text variable="title"/>
+              <!-- Replace with volume-title as that becomes available -->
+              <choose>
+                <if is-numeric="volume" match="none">
+                  <group delimiter=" ">
+                    <label variable="volume" form="short" text-case="capitalize-first"/>
+                    <text variable="volume"/>
+                  </group>
+                </if>
+              </choose>
+            </group>
+          </else>
+        </choose>
+      </else>
+    </choose>
+  </macro>
+  <macro name="title-intext">
+    <choose>
+      <if variable="title" match="none">
+        <text macro="bracketed-intext" prefix="[" suffix="]"/>
+      </if>
+      <else-if type="bill">
+        <!-- If a bill has no number or container-title, assume it is a hearing; italic and title case -->
+        <choose>
+          <if variable="number container-title" match="none">
+            <text variable="title" form="short" font-style="italic" text-case="title"/>
+          </if>
+          <else-if variable="title">
+            <text variable="title" form="short"/>
+          </else-if>
+          <else>
+            <group delimiter=" ">
+              <text variable="genre"/>
+              <group delimiter=" ">
+                <choose>
+                  <if variable="chapter-number container-title" match="none">
+                    <!-- Replace with label variable="number" as that becomes available -->
+                    <text term="issue" form="short"/>
+                  </if>
+                </choose>
+                <text variable="number"/>
+              </group>
+            </group>
+          </else>
+        </choose>
+      </else-if>
+      <else-if type="legal_case" match="any">
+        <!-- Cases are italicized -->
+        <text variable="title" font-style="italic"/>
+      </else-if>
+      <else-if type="legislation treaty" match="any">
+        <!-- Legislation and treaties not italicized or quoted -->
+        <text variable="title" form="short"/>
+      </else-if>
+      <else-if type="post webpage" match="any">
+        <!-- Webpages are always italicized -->
+        <text variable="title" form="short" font-style="italic"/>
+      </else-if>
+      <else-if variable="container-title" match="any">
+        <!-- Other types are italicized or quoted based on presence of container-title. As in title macro. -->
+        <text variable="title" form="short" quotes="true"/>
+      </else-if>
+      <else>
+        <text variable="title" form="short" font-style="italic"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="parenthetical">
+    <!-- (Secondary contributors; Database location; Genre no. 123; Report Series 123, Version, Edition, Volume, Page) -->
+    <group prefix="(" suffix=")">
+      <choose>
+        <if type="post webpage">
+          <!-- For post webpage, container-title is treated as publisher -->
+          <group delimiter="; ">
+            <text macro="secondary-contributors"/>
+            <text macro="database-location"/>
+            <text macro="number"/>
+            <text macro="locators-booklike"/>
+          </group>
+        </if>
+        <else-if variable="container-title">
+          <group delimiter="; ">
+            <text macro="secondary-contributors"/>
+            <choose>
+              <if type="broadcast graphic map motion_picture song" match="any">
+                <!-- For audiovisual media, number information comes after title, not container-title -->
+                <text macro="number"/>
+              </if>
+            </choose>
+          </group>
+        </else-if>
+        <else>
+          <group delimiter="; ">
+            <text macro="secondary-contributors"/>
+            <text macro="database-location"/>
+            <text macro="number"/>
+            <text macro="locators-booklike"/>
+          </group>
+        </else>
+      </choose>
+    </group>
+  </macro>
+  <macro name="parenthetical-container">
+    <choose>
+      <if variable="container-title" match="any">
+        <group prefix="(" suffix=")">
+          <group delimiter="; ">
+            <text macro="database-location"/>
+            <choose>
+              <if type="broadcast graphic map motion_picture song" match="none">
+                <!-- For audiovisual media, number information comes after title, not container-title -->
+                <text macro="number"/>
+              </if>
+            </choose>
+            <text macro="locators-booklike"/>
+          </group>
+        </group>
+      </if>
+    </choose>
+  </macro>
+  <macro name="bracketed">
+    <!-- [Descriptive information] -->
+    <!-- If there is a number, genre is already printed in macro="number" -->
+    <group prefix="[" suffix="]">
+      <choose>
+        <if variable="reviewed-author reviewed-title" type="review review-book" match="any">
+          <!-- Reviewed item -->
+          <group delimiter="; ">
+            <group delimiter=", ">
+              <group delimiter=" ">
+                <!-- Assume that genre is entered as 'Review of the book' or similar -->
+                <choose>
+                  <if variable="number" match="none">
+                    <choose>
+                      <if variable="genre">
+                        <text variable="genre" text-case="capitalize-first"/>
+                      </if>
+                      <else-if variable="medium">
+                        <text variable="medium" text-case="capitalize-first"/>
+                      </else-if>
+                      <else>
+                        <!-- Replace with term="review" as that becomes available -->
+                        <text value="Review of"/>
+                      </else>
+                    </choose>
+                  </if>
+                  <else>
+                    <choose>
+                      <if variable="medium">
+                        <text variable="medium" text-case="capitalize-first"/>
+                      </if>
+                      <else>
+                        <!-- Replace with term="review" as that becomes available -->
+                        <text value="Review of"/>
+                      </else>
+                    </choose>
+                  </else>
+                </choose>
+                <text macro="reviewed-title"/>
+              </group>
+              <names variable="reviewed-author">
+                <label form="verb-short" suffix=" "/>
+                <name and="symbol" initialize-with=". " delimiter=", "/>
+              </names>
+            </group>
+            <choose>
+              <if variable="genre" match="any">
+                <choose>
+                  <if variable="number" match="none">
+                    <text variable="medium" text-case="capitalize-first"/>
+                  </if>
+                </choose>
+              </if>
+            </choose>
+          </group>
+        </if>
+        <else-if type="thesis">
+          <!-- Thesis type and institution -->
+          <group delimiter="; ">
+            <choose>
+              <if variable="number" match="none">
+                <group delimiter=", ">
+                  <text variable="genre" text-case="capitalize-first"/>
+                  <choose>
+                    <if variable="archive DOI URL" match="any">
+                      <!-- Include the university in brackets if thesis is published -->
+                      <text variable="publisher"/>
+                    </if>
+                  </choose>
+                </group>
+              </if>
+            </choose>
+            <text variable="medium" text-case="capitalize-first"/>
+          </group>
+        </else-if>
+        <else-if variable="interviewer" type="interview" match="any">
+          <!-- Interview information -->
+          <choose>
+            <if variable="title">
+              <text macro="format"/>
+            </if>
+            <else-if variable="genre">
+              <group delimiter="; ">
+                <group delimiter=" ">
+                  <text variable="genre" text-case="capitalize-first"/>
+                  <group delimiter=" ">
+                    <text term="author" form="verb"/>
+                    <names variable="interviewer">
+                      <name and="symbol" initialize-with=". " delimiter=", "/>
+                    </names>
+                  </group>
+                </group>
+              </group>
+            </else-if>
+            <else-if variable="interviewer">
+              <group delimiter="; ">
+                <names variable="interviewer">
+                  <label form="verb" suffix=" " text-case="capitalize-first"/>
+                  <name and="symbol" initialize-with=". " delimiter=", "/>
+                </names>
+                <text variable="medium" text-case="capitalize-first"/>
+              </group>
+            </else-if>
+            <else>
+              <text macro="format"/>
+            </else>
+          </choose>
+        </else-if>
+        <else-if type="personal_communication">
+          <!-- Letter information -->
+          <choose>
+            <if variable="recipient">
+              <group delimiter="; ">
+                <group delimiter=" ">
+                  <choose>
+                    <if variable="number" match="none">
+                      <choose>
+                        <if variable="genre">
+                          <text variable="genre" text-case="capitalize-first"/>
+                        </if>
+                        <else-if variable="medium">
+                          <text variable="medium" text-case="capitalize-first"/>
+                        </else-if>
+                        <else>
+                          <text term="letter" form="short" text-case="capitalize-first"/>
+                        </else>
+                      </choose>
+                    </if>
+                    <else>
+                      <choose>
+                        <if variable="medium">
+                          <text variable="medium" text-case="capitalize-first"/>
+                        </if>
+                        <else>
+                          <text term="letter" form="short" text-case="capitalize-first"/>
+                        </else>
+                      </choose>
+                    </else>
+                  </choose>
+                  <names variable="recipient" delimiter=", ">
+                    <label form="verb" suffix=" "/>
+                    <name and="symbol" delimiter=", "/>
+                  </names>
+                </group>
+                <choose>
+                  <if variable="genre" match="any">
+                    <choose>
+                      <if variable="number" match="none">
+                        <text variable="medium" text-case="capitalize-first"/>
+                      </if>
+                    </choose>
+                  </if>
+                </choose>
+              </group>
+            </if>
+            <else>
+              <text macro="format"/>
+            </else>
+          </choose>
+        </else-if>
+        <else-if variable="composer" type="song" match="all">
+          <!-- Performer of classical music works -->
+          <group delimiter="; ">
+            <choose>
+              <if variable="number" match="none">
+                <group delimiter=" ">
+                  <choose>
+                    <if variable="genre">
+                      <text variable="genre" text-case="capitalize-first"/>
+                      <!-- Replace prefix with performer label as that becomes available -->
+                      <names variable="author" prefix="recorded by ">
+                        <name and="symbol" initialize-with=". " delimiter=", "/>
+                      </names>
+                    </if>
+                    <else-if variable="medium">
+                      <text variable="medium" text-case="capitalize-first"/>
+                      <!-- Replace prefix with performer label as that becomes available -->
+                      <names variable="author" prefix="recorded by ">
+                        <name and="symbol" initialize-with=". " delimiter=", "/>
+                      </names>
+                    </else-if>
+                    <else>
+                      <!-- Replace prefix with performer label as that becomes available -->
+                      <names variable="author" prefix="Recorded by ">
+                        <name and="symbol" initialize-with=". " delimiter=", "/>
+                      </names>
+                    </else>
+                  </choose>
+                </group>
+              </if>
+              <else>
+                <group delimiter=" ">
+                  <choose>
+                    <if variable="medium">
+                      <text variable="medium" text-case="capitalize-first"/>
+                      <!-- Replace prefix with performer label as that becomes available -->
+                      <names variable="author" prefix="recorded by ">
+                        <name and="symbol" initialize-with=". " delimiter=", "/>
+                      </names>
+                    </if>
+                    <else>
+                      <!-- Replace prefix with performer label as that becomes available -->
+                      <names variable="author" prefix="Recorded by ">
+                        <name and="symbol" initialize-with=". " delimiter=", "/>
+                      </names>
+                    </else>
+                  </choose>
+                </group>
+              </else>
+            </choose>
+            <choose>
+              <if variable="genre" match="any">
+                <choose>
+                  <if variable="number" match="none">
+                    <text variable="medium" text-case="capitalize-first"/>
+                  </if>
+                </choose>
+              </if>
+            </choose>
+          </group>
+        </else-if>
+        <else-if variable="container-title" match="none">
+          <!-- Other description -->
+          <text macro="format"/>
+        </else-if>
+        <else>
+          <!-- For conference presentations, chapters in reports, software, place bracketed after the container title -->
+          <choose>
+            <if type="paper-conference speech" match="any">
+              <choose>
+                <if variable="collection-editor editor editorial-director issue page volume" match="any">
+                  <text macro="format"/>
+                </if>
+              </choose>
+            </if>
+            <else-if type="book">
+              <choose>
+                <if variable="version" match="none">
+                  <text macro="format"/>
+                </if>
+              </choose>
+            </else-if>
+            <else-if type="report" match="none">
+              <text macro="format"/>
+            </else-if>
+          </choose>
+        </else>
+      </choose>
+    </group>
+  </macro>
+  <macro name="bracketed-intext">
+    <group prefix="[" suffix="]">
+      <choose>
+        <if variable="reviewed-author reviewed-title" type="review review-book" match="any">
+          <!-- This should be localized -->
+          <text macro="reviewed-title-intext" prefix="Review of "/>
+        </if>
+        <else-if variable="interviewer" type="interview" match="any">
+          <names variable="interviewer">
+            <label form="verb" suffix=" " text-case="capitalize-first"/>
+            <name and="symbol" initialize-with=". " delimiter=", "/>
+            <substitute>
+              <text macro="format-intext"/>
+            </substitute>
+          </names>
+        </else-if>
+        <else-if type="personal_communication">
+          <!-- Letter information -->
+          <choose>
+            <if variable="recipient">
+              <group delimiter=" ">
+                <choose>
+                  <if variable="number" match="none">
+                    <text variable="genre" text-case="capitalize-first"/>
+                  </if>
+                  <else>
+                    <text term="letter" form="short" text-case="capitalize-first"/>
+                  </else>
+                </choose>
+                <names variable="recipient" delimiter=", ">
+                  <label form="verb" suffix=" "/>
+                  <name and="symbol" delimiter=", "/>
+                </names>
+              </group>
+            </if>
+            <else>
+              <text macro="format-intext"/>
+            </else>
+          </choose>
+        </else-if>
+        <else>
+          <text macro="format-intext"/>
+        </else>
+      </choose>
+    </group>
+  </macro>
+  <macro name="bracketed-container">
+    <group prefix="[" suffix="]">
+      <choose>
+        <if type="paper-conference speech" match="any">
+          <!-- Conference presentations should describe the session [container] in bracketed unless published in a proceedings -->
+          <choose>
+            <if variable="collection-editor editor editorial-director issue page volume" match="none">
+              <text macro="format"/>
+            </if>
+          </choose>
+        </if>
+        <else-if type="book" variable="version" match="all">
+          <!-- For entries in mobile app reference works, place bracketed after the container-title -->
+          <text macro="format"/>
+        </else-if>
+        <else-if type="report">
+          <!-- For chapters in reports, place bracketed after the container title -->
+          <text macro="format"/>
+        </else-if>
+      </choose>
+    </group>
+  </macro>
+  <macro name="secondary-contributors">
+    <choose>
+      <if type="article-journal article-magazine article-newspaper post-weblog review review-book" match="any">
+        <text macro="secondary-contributors-periodical"/>
+      </if>
+      <else-if type="paper-conference">
+        <choose>
+          <if variable="collection-editor editor editorial-director" match="any">
+            <text macro="secondary-contributors-booklike"/>
+          </if>
+          <else>
+            <text macro="secondary-contributors-periodical"/>
+          </else>
+        </choose>
+      </else-if>
+      <else>
+        <text macro="secondary-contributors-booklike"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="secondary-contributors-periodical">
+    <group delimiter="; ">
+      <choose>
+        <if variable="title">
+          <names variable="interviewer" delimiter="; ">
+            <name and="symbol" initialize-with=". " delimiter=", "/>
+            <label form="short" prefix=", " text-case="title"/>
+          </names>
+        </if>
+      </choose>
+      <names variable="translator" delimiter="; ">
+        <name and="symbol" initialize-with=". " delimiter=", "/>
+        <label form="short" prefix=", " text-case="title"/>
+      </names>
+    </group>
+  </macro>
+  <macro name="secondary-contributors-booklike">
+    <group delimiter="; ">
+      <choose>
+        <if variable="title">
+          <names variable="interviewer">
+            <name and="symbol" initialize-with=". " delimiter=", "/>
+            <label form="short" prefix=", " text-case="title"/>
+          </names>
+        </if>
+      </choose>
+      <!-- When editortranslator becomes available, add a test: variable="editortranslator" match="none"; then print translator -->
+      <choose>
+        <if type="post webpage" match="none">
+          <!-- Webpages treat container-title like publisher -->
+          <choose>
+            <if variable="container-title" match="none">
+              <group delimiter="; ">
+                <names variable="container-author">
+                  <label form="verb-short" suffix=" " text-case="title"/>
+                  <name and="symbol" initialize-with=". " delimiter=", "/>
+                </names>
+                <names variable="editor translator" delimiter="; ">
+                  <name and="symbol" initialize-with=". " delimiter=", "/>
+                  <label form="short" prefix=", " text-case="title"/>
+                </names>
+              </group>
+            </if>
+          </choose>
+        </if>
+        <else>
+          <group delimiter="; ">
+            <names variable="container-author">
+              <label form="verb-short" suffix=" " text-case="title"/>
+              <name and="symbol" initialize-with=". " delimiter=", "/>
+            </names>
+            <names variable="editor translator" delimiter="; ">
+              <name and="symbol" initialize-with=". " delimiter=", "/>
+              <label form="short" prefix=", " text-case="title"/>
+            </names>
+          </group>
+        </else>
+      </choose>
+    </group>
+  </macro>
+  <macro name="database-location">
+    <choose>
+      <if variable="archive-place" match="none">
+        <!-- With `archive-place`: physical archives. Without: online archives. -->
+        <!-- Add archive_collection as that becomes available -->
+        <text variable="archive_location"/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="number">
+    <choose>
+      <if variable="number">
+        <group delimiter=", ">
+          <group delimiter=" ">
+            <text variable="genre" text-case="title"/>
+            <choose>
+              <if is-numeric="number">
+                <!-- Replace with label variable="number" if that becomes available -->
+                <text term="issue" form="short" text-case="capitalize-first"/>
+                <text variable="number"/>
+              </if>
+              <else>
+                <text variable="number"/>
+              </else>
+            </choose>
+          </group>
+          <choose>
+            <if type="thesis">
+              <choose>
+                <!-- Include the university in brackets if thesis is published -->
+                <if variable="archive DOI URL" match="any">
+                  <text variable="publisher"/>
+                </if>
+              </choose>
+            </if>
+          </choose>
+        </group>
+      </if>
+    </choose>
+  </macro>
+  <macro name="locators-booklike">
+    <choose>
+      <if type="article-journal article-magazine article-newspaper broadcast interview patent post post-weblog review review-book speech webpage" match="any"/>
+      <else-if type="paper-conference">
+        <choose>
+          <if variable="collection-editor editor editorial-director" match="any">
+            <group delimiter=", ">
+              <text macro="version"/>
+              <text macro="edition"/>
+              <text macro="volume-booklike"/>
+            </group>
+          </if>
+        </choose>
+      </else-if>
+      <else>
+        <group delimiter=", ">
+          <text macro="version"/>
+          <text macro="edition"/>
+          <text macro="volume-booklike"/>
+        </group>
+      </else>
+    </choose>
+  </macro>
+  <macro name="version">
+    <choose>
+      <if is-numeric="version">
+        <group delimiter=" ">
+          <!-- replace with label variable="version" if that becomes available -->
+          <text term="version" text-case="capitalize-first"/>
+          <text variable="version"/>
+        </group>
+      </if>
+      <else>
+        <text variable="version"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="edition">
+    <choose>
+      <if is-numeric="edition">
+        <group delimiter=" ">
+          <number variable="edition" form="ordinal"/>
+          <label variable="edition" form="short"/>
+        </group>
+      </if>
+      <else>
+        <text variable="edition"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="volume-booklike">
+    <group delimiter=", ">
+      <!-- Report series [ex. 52] -->
+      <choose>
+        <if type="report">
+          <group delimiter=" ">
+            <text variable="collection-title" text-case="title"/>
+            <text variable="collection-number"/>
+          </group>
+        </if>
+      </choose>
+      <choose>
+        <if variable="volume" match="any">
+          <choose>
+            <!-- Non-numeric volumes are already printed as part of the book title -->
+            <if is-numeric="volume" match="none"/>
+            <else>
+              <group delimiter=" ">
+                <label variable="volume" form="short" text-case="capitalize-first"/>
+                <number variable="volume" form="numeric"/>
+              </group>
+            </else>
+          </choose>
+        </if>
+        <else>
+          <group>
+            <!-- Replace with label variable="number-of-volumes" if that becomes available -->
+            <text term="volume" form="short" text-case="capitalize-first" suffix=" "/>
+            <text term="page-range-delimiter" prefix="1"/>
+            <number variable="number-of-volumes" form="numeric"/>
+          </group>
+        </else>
+      </choose>
+      <group delimiter=" ">
+        <label variable="issue" text-case="capitalize-first"/>
+        <text variable="issue"/>
+      </group>
+      <group delimiter=" ">
+        <label variable="page" form="short" suffix=" "/>
+        <text variable="page"/>
+      </group>
+    </group>
+  </macro>
+  <macro name="reviewed-title">
+    <choose>
+      <if variable="reviewed-title">
+        <!-- Not possible to distinguish TV series episode from other reviewed 
+              works [Ex. 69] -->
+        <text variable="reviewed-title" font-style="italic"/>
+      </if>
+      <else>
+        <!-- Assume title is title of reviewed work -->
+        <text variable="title" font-style="italic"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="reviewed-title-intext">
+    <choose>
+      <if variable="reviewed-title">
+        <!-- Not possible to distinguish TV series episode from other reviewed works [Ex. 69] -->
+        <text variable="reviewed-title" form="short" font-style="italic"/>
+      </if>
+      <else>
+        <!-- Assume title is title of reviewed work -->
+        <text variable="title" form="short" font-style="italic"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="format">
+    <choose>
+      <if variable="genre medium" match="any">
+        <group delimiter="; ">
+          <choose>
+            <if variable="number" match="none">
+              <text variable="genre" text-case="capitalize-first"/>
+            </if>
+          </choose>
+          <text variable="medium" text-case="capitalize-first"/>
+        </group>
+      </if>
+      <!-- Generic labels for specific types -->
+      <!-- These should be localized when possible -->
+      <else-if type="dataset">
+        <text value="Data set"/>
+      </else-if>
+      <else-if type="book" variable="version" match="all">
+        <!-- Replace with type="software" and term="software" as that becomes available -->
+        <text value="Computer software"/>
+      </else-if>
+      <else-if type="interview personal_communication" match="any">
+        <choose>
+          <if variable="archive container-title DOI publisher URL" match="none">
+            <text term="letter" text-case="capitalize-first"/>
+          </if>
+          <else-if type="interview">
+            <text term="interview" text-case="capitalize-first"/>
+          </else-if>
+        </choose>
+      </else-if>
+      <else-if type="map">
+        <text value="Map"/>
+      </else-if>
+    </choose>
+  </macro>
+  <macro name="format-intext">
+    <choose>
+      <if variable="genre" match="any">
+        <text variable="genre" text-case="capitalize-first"/>
+      </if>
+      <else-if variable="medium">
+        <text variable="medium" text-case="capitalize-first"/>
+      </else-if>
+      <!-- Generic labels for specific types -->
+      <!-- These should be localized when possible -->
+      <else-if type="dataset">
+        <text value="Data set"/>
+      </else-if>
+      <else-if type="book" variable="version" match="all">
+        <!-- Replace with type="software" and term="software" as that becomes available -->
+        <text value="Computer software"/>
+      </else-if>
+      <else-if type="interview personal_communication" match="any">
+        <choose>
+          <if variable="archive container-title DOI publisher URL" match="none">
+            <text term="letter" text-case="capitalize-first"/>
+          </if>
+          <else-if type="interview">
+            <text term="interview" text-case="capitalize-first"/>
+          </else-if>
+        </choose>
+      </else-if>
+      <else-if type="map">
+        <text value="Map"/>
+      </else-if>
+    </choose>
+  </macro>
+  <!-- APA 'source' element contains four parts:
+       container, event, publisher, access -->
+  <macro name="container">
+    <choose>
+      <if type="article-journal article-magazine article-newspaper post-weblog review review-book" match="any">
+        <!-- Periodical items -->
+        <text macro="container-periodical"/>
+      </if>
+      <else-if type="paper-conference">
+        <!-- Determine if paper-conference is a periodical or booklike -->
+        <choose>
+          <if variable="editor editorial-director collection-editor container-author" match="any">
+            <text macro="container-booklike"/>
+          </if>
+          <else>
+            <text macro="container-periodical"/>
+          </else>
+        </choose>
+      </else-if>
+      <else-if type="post webpage" match="none">
+        <!-- post and webpage treat container-title like publisher -->
+        <text macro="container-booklike"/>
+      </else-if>
+    </choose>
+  </macro>
+  <macro name="container-periodical">
+    <group delimiter=". ">
+      <group delimiter=", ">
+        <text variable="container-title" font-style="italic" text-case="title"/>
+        <choose>
+          <if variable="volume">
+            <group>
+              <text variable="volume" font-style="italic"/>
+              <text variable="issue" prefix="(" suffix=")"/>
+            </group>
+          </if>
+          <else>
+            <text variable="issue" font-style="italic"/>
+          </else>
+        </choose>
+        <choose>
+          <if variable="page">
+            <text variable="page"/>
+          </if>
+          <else>
+            <!-- Ex. 6: Journal article with article number or eLocator -->
+            <!-- This should be localized -->
+            <text variable="number" prefix="Article "/>
+          </else>
+        </choose>
+      </group>
+      <choose>
+        <if variable="issued">
+          <choose>
+            <if variable="issue page volume" match="none">
+              <text variable="status" text-case="capitalize-first"/>
+            </if>
+          </choose>
+        </if>
+      </choose>
+    </group>
+  </macro>
+  <macro name="container-booklike">
+    <choose>
+      <if variable="container-title" match="any">
+        <group delimiter=" ">
+          <choose>
+            <if type="paper-conference" match="none">
+              <text term="in" text-case="capitalize-first"/>
+            </if>
+          </choose>
+          <group delimiter=", ">
+            <names variable="editor translator" delimiter=", &amp; ">
+              <!-- Change to editortranslator and move editor to substitute as that becomes available -->
+              <name and="symbol" initialize-with=". " delimiter=", "/>
+              <label form="short" text-case="title" prefix=" (" suffix=")"/>
+              <substitute>
+                <names variable="editorial-director"/>
+                <names variable="collection-editor"/>
+                <names variable="container-author"/>
+              </substitute>
+            </names>
+            <group delimiter=": ">
+              <text variable="container-title"/>
+              <!-- Replace with volume-title as that becomes available -->
+              <choose>
+                <if is-numeric="volume" match="none">
+                  <group delimiter=" ">
+                    <choose>
+                      <if type="paper-conference">
+                        <text variable="volume" font-style="italic"/>
+                      </if>
+                      <else>
+                        <label variable="volume" form="short" text-case="capitalize-first"/>
+                        <text variable="volume"/>
+                      </else>
+                    </choose>
+                  </group>
+                </if>
+              </choose>
+            </group>
+          </group>
+          <text macro="parenthetical-container"/>
+          <text macro="bracketed-container"/>
+        </group>
+      </if>
+    </choose>
+  </macro>
+  <macro name="publisher">
+    <group delimiter="; ">
+      <choose>
+        <if type="thesis">
+          <choose>
+            <if variable="archive DOI URL" match="none">
+              <text variable="publisher"/>
+            </if>
+          </choose>
+        </if>
+        <else-if type="post webpage">
+          <!-- For websites, treat container title like publisher -->
+          <group delimiter="; ">
+            <text variable="container-title" text-case="title"/>
+            <text variable="publisher"/>
+          </group>
+        </else-if>
+        <else-if type="paper-conference">
+          <!-- For paper-conference, don't print publisher if in a journal-like proceedings -->
+          <choose>
+            <if variable="collection-editor editor editorial-director" match="any">
+              <group delimiter=": ">
+                <text variable="publisher-place"/>
+                <text variable="publisher"/>
+              </group>
+            </if>
+          </choose>
+        </else-if>
+        <else-if type="article-journal article-magazine article-newspaper post-weblog" match="none">
+          <group delimiter=": ">
+            <text variable="publisher-place"/>
+            <choose>
+              <if type="patent">
+                <text variable="authority"/>
+              </if>
+            </choose>
+            <text variable="publisher"/>
+          </group>
+        </else-if>
+      </choose>
+      <group delimiter=", ">
+        <choose>
+          <if variable="archive-place">
+            <!-- With `archive-place`: physical archives. Without: online archives. -->
+            <!-- For physical archives, print the location before the archive name.
+                For electronic archives, these are printed in macro="description". -->
+            <!-- Split "archive_location" into "archive_collection" and "archive_location" as that becomes available -->
+            <!-- Must test for archive_collection:
+                With collection: archive_collection (archive_location), archive, archive-place
+                No collection: archive (archive_location), archive-place
+            -->
+            <text variable="archive_location"/>
+          </if>
+        </choose>
+        <text variable="archive"/>
+        <text variable="archive-place"/>
+      </group>
+    </group>
+  </macro>
+  <macro name="access">
+    <choose>
+      <if variable="DOI" match="any">
+        <text variable="DOI" prefix="doi: "/>
+      </if>
+      <else-if variable="URL">
+        <group delimiter=" ">
+          <choose>
+            <if variable="status" match="none">
+              <group delimiter=" ">
+                <text term="retrieved" text-case="capitalize-first"/>
+                <text term="from"/>
+              </group>
+            </if>
+          </choose>
+          <text variable="URL"/>
+        </group>
+      </else-if>
+    </choose>
+  </macro>
+  <macro name="event">
+    <choose>
+      <if variable="event">
+        <!-- To prevent Zotero from printing event-place due to its double-mapping of all 'place' to
+             both publisher-place and event-place. Remove this 'choose' when that is changed. -->
+        <choose>
+          <if variable="collection-editor editor editorial-director issue page volume" match="none">
+            <!-- Don't print event info if published in a proceedings -->
+            <group delimiter=", ">
+              <text variable="event"/>
+              <text variable="event-place"/>
+            </group>
+          </if>
+        </choose>
+      </if>
+    </choose>
+  </macro>
+  <!-- After 'source', APA also prints publication history (original publication, reprint info, retraction info) -->
+  <macro name="publication-history">
+    <choose>
+      <if type="patent" match="none">
+        <group prefix="(" suffix=")">
+          <choose>
+            <if variable="references">
+              <!-- This provides the option for more elaborate description 
+                   of publication history, such as full "reprinted" references
+                   (examples 11, 43, 44) or retracted references -->
+              <text variable="references"/>
+            </if>
+            <else>
+              <group delimiter=" ">
+                <text value="Original work published"/>
+                <choose>
+                  <if is-uncertain-date="original-date">
+                    <text term="circa" form="short"/>
+                  </if>
+                </choose>
+                <date variable="original-date">
+                  <date-part name="year"/>
+                </date>
+              </group>
+            </else>
+          </choose>
+        </group>
+      </if>
+      <else>
+        <text variable="references" prefix="(" suffix=")"/>
+      </else>
+    </choose>
+  </macro>
+  <!-- Legal citations have their own rules -->
+  <macro name="legal-cites">
+    <choose>
+      <if type="legal_case">
+        <group delimiter=". ">
+          <group delimiter=", ">
+            <text variable="title"/>
+            <group delimiter=" ">
+              <text macro="container-legal"/>
+              <text macro="date-legal"/>
+            </group>
+            <text variable="references"/>
+          </group>
+          <text macro="access"/>
+        </group>
+      </if>
+      <else-if type="bill">
+        <!-- Currently designed to handle bills, resolutions, hearings, rederal reports. -->
+        <group delimiter=". ">
+          <group delimiter=", ">
+            <choose>
+              <if variable="number container-title" match="none">
+                <!-- If no number or container-title, then assume it is a hearing -->
+                <text variable="title" font-style="italic"/>
+              </if>
+              <else>
+                <text variable="title"/>
+              </else>
+            </choose>
+            <group delimiter=" ">
+              <text macro="container-legal"/>
+              <text macro="date-legal"/>
+              <choose>
+                <if variable="number container-title" match="none">
+                  <!-- If no number or container-title, then assume it is a hearing -->
+                  <names variable="author" prefix="(testimony of " suffix=")">
+                    <name and="symbol" delimiter=", "/>
+                  </names>
+                </if>
+                <else>
+                  <text variable="status" prefix="(" suffix=")"/>
+                </else>
+              </choose>
+            </group>
+            <text variable="references"/>
+          </group>
+          <text macro="access"/>
+        </group>
+      </else-if>
+      <else-if type="legislation">
+        <!-- Currently designed to handle statutes, codified regulations, executive orders.
+             For uncodified regulations, assume future code section is in status. -->
+        <group delimiter=". ">
+          <group delimiter=", ">
+            <text variable="title"/>
+            <group delimiter=" ">
+              <text macro="container-legal"/>
+              <text macro="date-legal"/>
+              <text variable="status" prefix="(" suffix=")"/>
+            </group>
+            <text variable="references"/>
+          </group>
+          <text macro="access"/>
+        </group>
+      </else-if>
+      <else-if type="treaty">
+        <!-- APA generally defers to Bluebook for legal citations, but diverges without
+             explanation for treaty items. The Bluebook format that was used in APA 6th
+             ed. is used here. -->
+        <group delimiter=", ">
+          <text variable="title" text-case="title"/>
+          <names variable="author">
+            <name initialize-with="." form="short" delimiter="-"/>
+          </names>
+          <text macro="date-legal"/>
+          <text macro="container-legal"/>
+          <text macro="access"/>
+        </group>
+      </else-if>
+    </choose>
+  </macro>
+  <macro name="date-legal">
+    <choose>
+      <if type="legal_case">
+        <group prefix="(" suffix=")" delimiter=" ">
+          <text variable="authority"/>
+          <choose>
+            <if variable="container-title" match="any">
+              <!-- Print only year for cases published in reporters-->
+              <date variable="issued" form="numeric" date-parts="year"/>
+            </if>
+            <else>
+              <date variable="issued" form="text"/>
+            </else>
+          </choose>
+        </group>
+      </if>
+      <else-if type="bill legislation" match="any">
+        <group prefix="(" suffix=")" delimiter=" ">
+          <group delimiter=" ">
+            <date variable="original-date">
+              <date-part name="year"/>
+            </date>
+            <text term="and" form="symbol"/>
+          </group>
+          <date variable="issued">
+            <date-part name="year"/>
+          </date>
+        </group>
+      </else-if>
+      <else-if type="treaty">
+        <date variable="issued" form="text"/>
+      </else-if>
+    </choose>
+  </macro>
+  <macro name="container-legal">
+    <!-- Expect legal item container-titles to be stored in short form -->
+    <choose>
+      <if type="legal_case">
+        <group delimiter=" ">
+          <choose>
+            <if variable="container-title">
+              <group delimiter=" ">
+                <text variable="volume"/>
+                <text variable="container-title"/>
+                <group delimiter=" ">
+                  <!-- Change to label variable="section" as that becomes available -->
+                  <text term="section" form="symbol"/>
+                  <text variable="section"/>
+                </group>
+                <choose>
+                  <if variable="page page-first" match="any">
+                    <text variable="page-first"/>
+                  </if>
+                  <else>
+                    <text value="___"/>
+                  </else>
+                </choose>
+              </group>
+            </if>
+            <else>
+              <group delimiter=" ">
+                <choose>
+                  <if is-numeric="number">
+                    <!-- Replace with label variable="number" if that becomes available -->
+                    <text term="issue" form="short" text-case="capitalize-first"/>
+                  </if>
+                </choose>
+                <text variable="number"/>
+              </group>
+            </else>
+          </choose>
+        </group>
+      </if>
+      <else-if type="bill">
+        <group delimiter=", ">
+          <group delimiter=" ">
+            <text variable="genre"/>
+            <group delimiter=" ">
+              <choose>
+                <if variable="chapter-number container-title" match="none">
+                  <!-- Replace with label variable="number" as that becomes available -->
+                  <text term="issue" form="short"/>
+                </if>
+              </choose>
+              <text variable="number"/>
+            </group>
+          </group>
+          <text variable="authority"/>
+          <text variable="chapter-number"/>
+          <group delimiter=" ">
+            <text variable="volume"/>
+            <text variable="container-title"/>
+            <text variable="page-first"/>
+          </group>
+        </group>
+      </else-if>
+      <else-if type="legislation">
+        <choose>
+          <if variable="number">
+            <!--There's a public law number-->
+            <group delimiter=", ">
+              <text variable="number" prefix="Pub. L. No. "/>
+              <group delimiter=" ">
+                <text variable="volume"/>
+                <text variable="container-title"/>
+                <text variable="page-first"/>
+              </group>
+            </group>
+          </if>
+          <else>
+            <group delimiter=" ">
+              <text variable="volume"/>
+              <text variable="container-title"/>
+              <choose>
+                <if variable="section">
+                  <group delimiter=" ">
+                    <!-- Change to label variable="section" as that becomes available -->
+                    <text term="section" form="symbol"/>
+                    <text variable="section"/>
+                  </group>
+                </if>
+                <else>
+                  <text variable="page-first"/>
+                </else>
+              </choose>
+            </group>
+          </else>
+        </choose>
+      </else-if>
+      <else-if type="treaty">
+        <group delimiter=" ">
+          <number variable="volume"/>
+          <text variable="container-title"/>
+          <choose>
+            <if variable="page page-first" match="any">
+              <text variable="page-first"/>
+            </if>
+            <else>
+              <group delimiter=" ">
+                <!-- Replace with label variable="number" if that becomes available -->
+                <text term="issue" form="short" text-case="capitalize-first"/>
+                <text variable="number"/>
+              </group>
+            </else>
+          </choose>
+        </group>
+      </else-if>
+    </choose>
+  </macro>
+  <macro name="citation-locator">
+    <group delimiter=" ">
+      <choose>
+        <if locator="chapter">
+          <label variable="locator" text-case="capitalize-first"/>
+        </if>
+        <else>
+          <label variable="locator" form="short"/>
+        </else>
+      </choose>
+      <text variable="locator"/>
+    </group>
+  </macro>
+  <citation et-al-min="2" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" collapse="year" givenname-disambiguation-rule="primary-name">
+    <sort>
+      <key macro="author-bib" names-min="3" names-use-first="1"/>
+      <key macro="date-sort-group"/>
+      <key macro="date-sort-date" sort="ascending"/>
+      <key variable="status"/>
+    </sort>
+    <layout prefix="(" suffix=")" delimiter="; ">
+      <group delimiter=", ">
+        <text macro="author-intext"/>
+        <text macro="date-intext"/>
+        <text macro="citation-locator"/>
+      </group>
+    </layout>
+  </citation>
+  <bibliography hanging-indent="true" et-al-min="21" et-al-use-first="19" et-al-use-last="true" entry-spacing="0" line-spacing="2">
+    <sort>
+      <key macro="author-bib"/>
+      <key macro="date-sort-group"/>
+      <key macro="date-sort-date" sort="ascending"/>
+      <key variable="status"/>
+      <key macro="title"/>
+    </sort>
+    <layout>
+      <choose>
+        <if type="bill legal_case legislation treaty" match="any">
+          <!-- Legal items have different orders and delimiters -->
+          <choose>
+            <if variable="DOI URL" match="any">
+              <text macro="legal-cites"/>
+            </if>
+            <else>
+              <text macro="legal-cites" suffix="."/>
+            </else>
+          </choose>
+        </if>
+        <else>
+          <group delimiter=" ">
+            <group delimiter=". " suffix=".">
+              <text macro="author-bib"/>
+              <text macro="date-bib"/>
+              <text macro="title-and-descriptions"/>
+              <text macro="container"/>
+              <text macro="event"/>
+              <text macro="publisher"/>
+            </group>
+            <text macro="access"/>
+            <text macro="publication-history"/>
+          </group>
+        </else>
+      </choose>
+    </layout>
+  </bibliography>
+</style>
diff --git a/begell-house-chicago-author-date.csl b/begell-house-chicago-author-date.csl
new file mode 100644
index 00000000000..70e790fe15d
--- /dev/null
+++ b/begell-house-chicago-author-date.csl
@@ -0,0 +1,601 @@
+<?xml version="1.0" encoding="utf-8"?>
+<style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" demote-non-dropping-particle="display-and-sort" page-range-format="chicago" default-locale="en-US">
+  <info>
+    <title>Begell House - Chicago Manual of Style</title>
+    <id>http://www.zotero.org/styles/begell-house-chicago-author-date</id>
+    <link href="http://www.zotero.org/styles/begell-house-chicago-author-date" rel="self"/>
+    <link href="http://www.zotero.org/styles/chicago-author-date" rel="template"/>
+    <link href="http://dl.begellhouse.com/forauthors/journals/6a7c7e10642258cc.html" rel="documentation"/>
+    <category citation-format="author-date"/>
+    <category field="generic-base"/>
+    <summary>The author-date variant of the Begell House Chicago style</summary>
+    <updated>2020-02-19T16:00:00+03:00</updated>
+    <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
+  </info>
+  <macro name="recipient-short">
+    <names variable="recipient">
+      <label form="verb" text-case="lowercase" suffix=" "/>
+      <name form="short" and="text" delimiter=", "/>
+    </names>
+  </macro>
+  <macro name="contributors-short">
+    <group delimiter=" ">
+      <names variable="author">
+        <name form="short" and="text" delimiter=", "/>
+        <substitute>
+          <names variable="editor"/>
+          <names variable="translator"/>
+        </substitute>
+      </names>
+      <text macro="recipient-short"/>
+    </group>
+  </macro>
+  <macro name="date-in-text">
+    <choose>
+      <if variable="issued">
+        <group delimiter=" ">
+          <date variable="original-date" form="text" date-parts="year" prefix="[" suffix="]"/>
+          <date variable="issued">
+            <date-part name="year"/>
+          </date>
+        </group>
+      </if>
+      <else-if variable="status">
+        <text variable="status"/>
+      </else-if>
+      <else>
+        <text term="no date" form="short"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="title">
+    <choose>
+      <if variable="title" match="none">
+        <choose>
+          <if type="personal_communication" match="none">
+            <text variable="genre" text-case="capitalize-first"/>
+          </if>
+        </choose>
+      </if>
+      <else-if type="book graphic motion_picture song" match="any">
+        <text variable="title" text-case="title" font-style="italic"/>
+        <group prefix=" (" suffix=")" delimiter=" ">
+          <text term="version"/>
+          <text variable="version"/>
+        </group>
+      </else-if>
+      <else-if variable="reviewed-author">
+        <group delimiter=", ">
+          <text variable="title" font-style="italic" prefix="Review of "/>
+          <names variable="reviewed-author">
+            <label form="verb-short" text-case="lowercase" suffix=" "/>
+            <name and="text" delimiter=", "/>
+          </names>
+        </group>
+      </else-if>
+      <else-if type="bill legislation legal_case interview patent" match="any">
+        <text variable="title"/>
+      </else-if>
+      <else>
+        <text variable="title" text-case="title"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="contributors-sort">
+    <names variable="author">
+      <name name-as-sort-order="all" and="text" sort-separator=", " delimiter=", " delimiter-precedes-last="always"/>
+      <substitute>
+        <names variable="editor"/>
+        <names variable="translator"/>
+        <text macro="title"/>
+      </substitute>
+    </names>
+  </macro>
+  <macro name="recipient-note">
+    <names variable="recipient" delimiter=", ">
+      <label form="verb" text-case="lowercase" suffix=" "/>
+      <name and="text" delimiter=", "/>
+    </names>
+  </macro>
+  <macro name="editor">
+    <names variable="editor">
+      <name and="text" name-as-sort-order="all" sort-separator=", " delimiter=", " initialize-with=". "/>
+      <label form="short" text-case="capitalize-first" prefix=" "/>
+    </names>
+  </macro>
+  <macro name="translator">
+    <names variable="translator">
+      <name name-as-sort-order="first" and="text" sort-separator=", " delimiter=", " delimiter-precedes-last="always"/>
+      <label form="verb-short" prefix=", "/>
+    </names>
+  </macro>
+  <macro name="recipient">
+    <group delimiter=" ">
+      <choose>
+        <if type="personal_communication">
+          <choose>
+            <if variable="genre">
+              <text variable="genre" text-case="capitalize-first"/>
+            </if>
+            <else>
+              <text term="letter" text-case="capitalize-first"/>
+            </else>
+          </choose>
+        </if>
+      </choose>
+      <text macro="recipient-note"/>
+    </group>
+  </macro>
+  <macro name="contributors">
+    <group delimiter=", ">
+      <choose>
+        <if type="book article-journal chapter" match="any">
+          <names variable="author">
+            <name name-as-sort-order="all" and="text" sort-separator=", " initialize-with=". " delimiter=", " delimiter-precedes-last="never"/>
+            <substitute>
+              <text macro="editor"/>
+              <text macro="translator"/>
+              <choose>
+                <if type="webpage post-weblog" match="any">
+                  <text variable="container-title"/>
+                </if>
+              </choose>
+            </substitute>
+          </names>
+        </if>
+        <else>
+          <names variable="author">
+            <name name-as-sort-order="all" and="text" sort-separator=", " initialize-with=". " delimiter=", " delimiter-precedes-last="always"/>
+            <substitute>
+              <text macro="editor"/>
+              <text macro="translator"/>
+              <choose>
+                <if type="webpage post-weblog" match="any">
+                  <text variable="container-title"/>
+                </if>
+              </choose>
+            </substitute>
+          </names>
+        </else>
+      </choose>
+      <text macro="recipient"/>
+    </group>
+  </macro>
+  <macro name="container-title">
+    <group delimiter=" ">
+      <choose>
+        <if type="chapter entry-dictionary entry-encyclopedia" match="any">
+          <text term="in"/>
+        </if>
+      </choose>
+      <choose>
+        <if type="webpage">
+          <text variable="container-title"/>
+        </if>
+        <else-if type="post-weblog">
+          <text variable="container-title" text-case="title" font-style="italic" suffix=" (blog)"/>
+        </else-if>
+        <else-if type="bill legislation legal_case" match="none">
+          <text variable="container-title" text-case="title" font-style="italic"/>
+        </else-if>
+      </choose>
+    </group>
+  </macro>
+  <macro name="edition">
+    <choose>
+      <if type="book chapter graphic motion_picture paper-conference report song" match="any">
+        <choose>
+          <if is-numeric="edition">
+            <group delimiter=" ">
+              <number variable="edition" form="ordinal"/>
+              <text term="edition" form="short"/>
+            </group>
+          </if>
+          <else>
+            <text variable="edition" text-case="capitalize-first" suffix="."/>
+          </else>
+        </choose>
+      </if>
+    </choose>
+  </macro>
+  <macro name="locators">
+    <group delimiter=", ">
+      <text macro="edition"/>
+      <group delimiter=" ">
+        <text term="volume" form="short"/>
+        <number variable="volume" form="numeric" font-weight="bold"/>
+      </group>
+      <group delimiter=" ">
+        <text term="issue" form="short"/>
+        <number variable="issue" form="numeric"/>
+      </group>
+    </group>
+  </macro>
+  <macro name="page">
+    <group>
+      <choose>
+        <if type="book">
+          <choose>
+            <if is-numeric="number-of-pages">
+              <label variable="number-of-pages" form="short" suffix=" "/>
+            </if>
+          </choose>
+          <text variable="number-of-pages"/>
+        </if>
+        <else>
+          <label variable="page" form="short" suffix=" "/>
+          <text variable="page"/>
+        </else>
+      </choose>
+    </group>
+  </macro>
+  <macro name="archive">
+    <choose>
+      <if type="thesis">
+        <group delimiter=" ">
+          <text variable="archive"/>
+          <text variable="archive_location" prefix="(" suffix=")"/>
+        </group>
+      </if>
+      <else>
+        <group delimiter=". ">
+          <text variable="archive_location" text-case="capitalize-first"/>
+          <text variable="archive"/>
+          <text variable="archive-place"/>
+        </group>
+      </else>
+    </choose>
+  </macro>
+  <macro name="access">
+    <group delimiter=", ">
+      <choose>
+        <if type="graphic report" match="any">
+          <text macro="archive"/>
+        </if>
+        <else-if type="article-journal bill book chapter legal_case legislation motion_picture paper-conference" match="none">
+          <text macro="archive"/>
+        </else-if>
+      </choose>
+      <choose>
+        <if variable="issued">
+          <group delimiter=" ">
+            <text term="accessed"/>
+            <date variable="accessed" form="text"/>
+          </group>
+        </if>
+      </choose>
+      <choose>
+        <if type="legal_case" match="none">
+          <group delimiter=" ">
+            <text term="from"/>
+            <text variable="URL"/>
+          </group>
+        </if>
+      </choose>
+    </group>
+  </macro>
+  <macro name="container-contributors">
+    <choose>
+      <if type="chapter entry-dictionary entry-encyclopedia paper-conference" match="any">
+        <group delimiter=", ">
+          <choose>
+            <if variable="author">
+              <choose>
+                <if variable="container-author" match="any">
+                  <names variable="container-author">
+                    <label form="verb-short" text-case="lowercase" suffix=" "/>
+                    <name and="text" delimiter=", "/>
+                  </names>
+                </if>
+              </choose>
+              <!--This includes page numers after the container author, e.g. for Introductions -->
+              <choose>
+                <if variable="container-author author" match="all">
+                  <group delimiter=". ">
+                    <text variable="page"/>
+                    <names variable="editor translator" delimiter=", ">
+                      <name and="text" initialize-with=". " delimiter=" " delimiter-precedes-et-al="always"/>
+                      <label form="short" text-case="capitalize-first" prefix=", "/>
+                    </names>
+                  </group>
+                </if>
+                <else>
+                  <names variable="editor translator" delimiter=", ">
+                    <name and="text" initialize-with=". " delimiter=" " delimiter-precedes-et-al="always"/>
+                    <label form="short" text-case="capitalize-first" prefix=", "/>
+                  </names>
+                </else>
+              </choose>
+            </if>
+          </choose>
+        </group>
+      </if>
+    </choose>
+  </macro>
+  <macro name="publisher">
+    <choose>
+      <if type="thesis">
+        <text variable="publisher"/>
+      </if>
+      <else-if type="speech">
+        <text variable="event-place"/>
+      </else-if>
+      <else>
+        <group delimiter=": ">
+          <text variable="publisher-place"/>
+          <text variable="publisher"/>
+        </group>
+      </else>
+    </choose>
+  </macro>
+  <macro name="issued">
+    <choose>
+      <if variable="issued">
+        <choose>
+          <if type="legal_case">
+            <group delimiter=" ">
+              <text variable="authority"/>
+              <choose>
+                <if variable="container-title" match="any">
+                  <!--Only print year for cases published in reporters-->
+                  <date variable="issued" form="numeric" date-parts="year"/>
+                </if>
+                <else>
+                  <date variable="issued" form="text"/>
+                </else>
+              </choose>
+            </group>
+          </if>
+          <else-if type="book bill chapter  legislation motion_picture paper-conference song thesis" match="any">
+            <choose>
+              <if is-uncertain-date="issued">
+                <date variable="issued" form="numeric" date-parts="year" prefix="[" suffix="?]"/>
+              </if>
+              <else>
+                <date variable="issued" form="numeric" date-parts="year"/>
+              </else>
+            </choose>
+          </else-if>
+          <else-if type="report">
+            <choose>
+              <if is-uncertain-date="issued">
+                <date variable="issued" form="numeric" date-parts="year" prefix="[" suffix="?]"/>
+              </if>
+              <else>
+                <date variable="issued" form="text">
+                  <date-part name="month" form="short"/>
+                  <date-part name="year"/>
+                </date>
+              </else>
+            </choose>
+          </else-if>
+          <else-if type="patent">
+            <group delimiter=", ">
+              <group delimiter=" ">
+                <!--Needs Localization-->
+                <text value="filed"/>
+                <date variable="submitted" form="text"/>
+              </group>
+              <group delimiter=" ">
+                <choose>
+                  <if variable="issued submitted" match="all">
+                    <text term="and"/>
+                  </if>
+                </choose>
+                <!--Needs Localization-->
+                <text value="issued"/>
+                <date variable="issued" form="text"/>
+              </group>
+            </group>
+          </else-if>
+          <else>
+            <choose>
+              <if is-uncertain-date="issued">
+                <date variable="issued" form="text" prefix="[" suffix="?]"/>
+              </if>
+              <else>
+                <date variable="issued" form="text"/>
+              </else>
+            </choose>
+          </else>
+        </choose>
+      </if>
+      <else-if variable="status">
+        <text variable="status"/>
+      </else-if>
+      <else-if variable="accessed URL" match="all"/>
+      <else>
+        <text term="no date" form="short"/>
+      </else>
+    </choose>
+  </macro>
+  <macro name="event">
+    <choose>
+      <if variable="title">
+        <group delimiter=" ">
+          <text term="presented at"/>
+          <text variable="event"/>
+        </group>
+      </if>
+      <else>
+        <group delimiter=" ">
+          <text term="presented at" text-case="capitalize-first"/>
+          <text variable="event"/>
+        </group>
+      </else>
+    </choose>
+  </macro>
+  <macro name="originally-published">
+    <group delimiter=", ">
+      <group delimiter=": ">
+        <text variable="original-publisher-place"/>
+        <text variable="original-publisher"/>
+      </group>
+      <choose>
+        <if is-uncertain-date="original-date">
+          <date variable="original-date" form="numeric" date-parts="year" prefix="[" suffix="?]"/>
+        </if>
+        <else>
+          <date variable="original-date" form="numeric" date-parts="year"/>
+        </else>
+      </choose>
+    </group>
+  </macro>
+  <macro name="reprint">
+    <!--needs localization-->
+    <choose>
+      <if variable="original-date issued" match="all">
+        <text value="reprint" text-case="capitalize-first"/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="issue">
+    <choose>
+      <if type="bill legislation legal_case" match="any">
+        <text macro="issued" prefix="(" suffix=")"/>
+      </if>
+      <else-if type="article-journal">
+        <choose>
+          <if variable="issue volume" match="any">
+            <text macro="issued" prefix="" suffix=""/>
+          </if>
+          <else>
+            <text macro="issued"/>
+          </else>
+        </choose>
+      </else-if>
+      <else-if type="speech">
+        <group delimiter=", ">
+          <group delimiter=" ">
+            <choose>
+              <if variable="title" match="none"/>
+              <else>
+                <text variable="genre" text-case="capitalize-first"/>
+              </else>
+            </choose>
+            <text macro="event"/>
+          </group>
+          <text variable="event-place"/>
+          <text macro="issued"/>
+        </group>
+      </else-if>
+      <!--Chicago doesn't use publisher/place for Newspapers -->
+      <else-if type="article-newspaper">
+        <text macro="issued"/>
+      </else-if>
+      <else-if variable="publisher-place publisher" match="any">
+        <group delimiter=", ">
+          <choose>
+            <if type="thesis">
+              <text variable="genre" text-case="capitalize-first"/>
+            </if>
+          </choose>
+          <group delimiter=". ">
+            <text macro="originally-published"/>
+            <group delimiter=", ">
+              <text macro="reprint"/>
+              <text macro="publisher"/>
+            </group>
+          </group>
+          <text macro="issued"/>
+        </group>
+      </else-if>
+      <!--location for data for maps and artwork is different-->
+      <else-if type="graphic map" match="none">
+        <text macro="issued"/>
+      </else-if>
+    </choose>
+  </macro>
+  <citation et-al-min="2" et-al-use-first="1" disambiguate-add-year-suffix="true" disambiguate-add-names="true" disambiguate-add-givenname="true" givenname-disambiguation-rule="primary-name" collapse="year" after-collapse-delimiter="; ">
+    <layout prefix="(" suffix=")" delimiter="; ">
+      <group delimiter=", ">
+        <choose>
+          <if variable="issued accessed" match="any">
+            <group delimiter=", ">
+              <text macro="contributors-short"/>
+              <text macro="date-in-text"/>
+            </group>
+          </if>
+          <!---comma before forthcoming and n.d.-->
+          <else>
+            <group delimiter=", ">
+              <text macro="contributors-short"/>
+              <text macro="date-in-text"/>
+            </group>
+          </else>
+        </choose>
+      </group>
+    </layout>
+  </citation>
+  <bibliography hanging-indent="true" et-al-min="11" et-al-use-first="7" entry-spacing="0">
+    <sort>
+      <key macro="contributors-sort"/>
+      <key variable="title"/>
+      <key variable="genre"/>
+      <key variable="issued"/>
+    </sort>
+    <layout>
+      <group>
+        <group delimiter=", " suffix=".">
+          <text macro="contributors"/>
+          <text macro="title"/>
+          <text macro="container-title"/>
+          <choose>
+            <if type="article-journal">
+              <group delimiter=", ">
+                <text macro="locators"/>
+                <text macro="page"/>
+                <text macro="access"/>
+              </group>
+            </if>
+            <else-if type="book chapter" match="any">
+              <group delimiter=", ">
+                <choose>
+                  <if type="chapter">
+                    <text macro="container-contributors"/>
+                  </if>
+                </choose>
+                <text macro="publisher"/>
+                <text macro="access"/>
+                <text macro="page"/>
+              </group>
+            </else-if>
+            <else-if type="paper-conference">
+              <group delimiter=", ">
+                <choose>
+                  <if variable="event">
+                    <text variable="event" font-style="italic"/>
+                  </if>
+                </choose>
+                <text macro="publisher"/>
+                <text macro="locators"/>
+                <text macro="page"/>
+              </group>
+            </else-if>
+            <else-if type="patent thesis" match="any">
+              <text variable="number"/>
+              <text macro="issue"/>
+            </else-if>
+            <else-if type="report">
+              <group delimiter=", ">
+                <text variable="publisher"/>
+                <text variable="publisher-place"/>
+                <text variable="number"/>
+              </group>
+            </else-if>
+          </choose>
+          <choose>
+            <if type="patent thesis" match="none">
+              <text macro="issued"/>
+            </if>
+          </choose>
+        </group>
+        <choose>
+          <if type="article-journal" variable="DOI">
+            <text variable="DOI" prefix=" DOI: "/>
+          </if>
+        </choose>
+      </group>
+    </layout>
+  </bibliography>
+</style>