To cite package ‘ggpizza’ in publications use:

  Rafacz D (2025). _ggpizza: Makes Points Which Are Pizza_. R package
  version 0.1.0, <https://github.com/turtletopia/ggpizza>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggpizza: Makes Points Which Are Pizza},
    author = {Dominik Rafacz},
    year = {2025},
    note = {R package version 0.1.0},
    url = {https://github.com/turtletopia/ggpizza},
  }