Merge pull request #18 from GMLC-TDC/citation

Add citation to new HELICS paper

README.md

@@ -69,6 +69,10 @@ Versions prior to Matlab 2015 will require more extensive modifications.  And ma
 
 The matHelics source code is hosted on GitHub: [https://github.com/GMLC-TDC/matHelics](https://github.com/GMLC-TDC/matHELICS)
 
+## Citation
+General citation for HELICS:
+T. Hardy, B. Palmintier, P. Top, D. Krishnamurthy and J. Fuller, "HELICS: A Co-Simulation Framework for Scalable Multi-Domain Modeling and Analysis," in IEEE Access, doi: 10.1109/ACCESS.2024.3363615, available at [https://ieeexplore.ieee.org/document/10424422](https://ieeexplore.ieee.org/document/10424422/
+
 ## Release
 
 HELICS, matHELICS and many associated repositories are distributed under the terms of the BSD-3 clause license. All new