To cite package ‘gggibbous’ in publications use:

Bramson M (2020). gggibbous: Moon Charts, a Pie Chart Alternative. R package version 0.1.1, https://github.com/mnbram/gggibbous.

Corresponding BibTeX entry:

  @Manual{,
    title = {gggibbous: Moon Charts, a Pie Chart Alternative},
    author = {Michael Bramson},
    year = {2020},
    note = {R package version 0.1.1},
    url = {https://github.com/mnbram/gggibbous},
  }