To cite package ‘bGMYC4’ in publications use:

  Karabanov D (2026). _bGMYC4: Bayesian GMYC with Interactive
  Visualization_. <https://github.com/DmitryKarabanov/bGMYC4>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {bGMYC4: Bayesian GMYC with Interactive Visualization},
    author = {Dmitry Karabanov},
    year = {2026},
    url = {https://github.com/DmitryKarabanov/bGMYC4},
  }