The bibtex entries for PyAutoGalaxy and its affiliated software packages can be found here, with example text for citing PyAutoGalaxy in .tex format here format here and .md format here.
As shown in the examples, we would greatly appreciate it if you mention PyAutoGalaxy by name and include a link to our GitHub page!
PyAutoGalaxy is published in the Journal of Open Source Software and its entry in the above .bib file is under the citation key pyautogalaxy.
You should also specify the non-linear search(es) you use in your analysis (e.g. Dynesty, Emcee, PySwarms, etc) in the main body of text, and delete as appropriate any packages your analysis did not use. The citations.bib file includes the citation key for all of these projects.