Each documented case study should include relevant citations within the respective directory.
This collection of case studies, as a whole, has not been published in a peer-reviewed venue as of yet. Thus, to cite this material, you can use the following BibTeX entry.
@misc{Santos:website,
author = {Andr{\'{e}} Santos},
title = {{HAROS} Case Studies (repository)},
howpublished = "\url{https://github.com/git-afsantos/haros-case-studies}",
note = "[Online; accessed yyyy-mm-dd]"
}