To cite package ‘colorize’ in publications use:

  Friendly M, Zeileis A (2025). _colorize: Render Text in Color for
  Markdown/Quarto Documents_. R package version 0.2.1,
  <https://github.com/friendly/colorize>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {colorize: Render Text in Color for Markdown/Quarto Documents},
    author = {Michael Friendly and Achim Zeileis},
    year = {2025},
    note = {R package version 0.2.1},
    url = {https://github.com/friendly/colorize},
  }