To cite package ‘fortunes’ in publications use:

  Zeileis A, R Community (2026). _fortunes: R Fortunes_. R package
  version 1.5-5, <https://codeberg.org/zeileis/fortunes>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fortunes: R Fortunes},
    author = {Achim Zeileis and {R Community}},
    year = {2026},
    note = {R package version 1.5-5},
    url = {https://codeberg.org/zeileis/fortunes},
  }