To cite package ‘circadia’ in publications use:

  França L, Leocadio-Miguel M (2026). _circadia: Circadia Lab Colour
  Palettes and ggplot2 Theme_. R package version 0.1.0,
  <https://github.com/circadia-bio/circadia>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {circadia: Circadia Lab Colour Palettes and ggplot2 Theme},
    author = {Lucas França and Mario Leocadio-Miguel},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/circadia-bio/circadia},
  }