We’re working on writing up a citeable paper on showyourwork!, but in the meantime, please consider citing this paper, in which we first introduced the code:

    author = {{Luger}, Rodrigo and {Bedell}, Megan and {Foreman-Mackey}, Daniel and {Crossfield}, Ian J.~M. and {Zhao}, Lily L. and {Hogg}, David W.},
        title = "{Mapping stellar surfaces III: An Efficient, Scalable, and Open-Source Doppler Imaging Model}",
    journal = {arXiv e-prints},
    keywords = {Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Instrumentation and Methods for Astrophysics},
        year = 2021,
        month = oct,
        eid = {arXiv:2110.06271},
        pages = {arXiv:2110.06271},
archivePrefix = {arXiv},
    eprint = {2110.06271},
primaryClass = {astro-ph.SR},
    adsurl = {},
    adsnote = {Provided by the SAO/NASA Astrophysics Data System}