If you use SkyPy for work or research presented in a publication (whether directly, or as a dependency of another package) we recommend and encourage the following acknowledgment:
This research made use of SkyPy, a Python package for forward modeling astronomical surveys (Amara et. al., 2021, SkyPy Collaboration, 202x).
where the citations are to our publication in the Journal of Open Source Software and the Zenodo DOI for the specific version of the software that you used. We also encourage citations within the main text wherever appropriate. DOIs and BibTeX keys are available through the links above.