To cite package ‘ggtiger’ in publications use:

  Kenny C (2026). _ggtiger: Princeton Themes for 'ggplot2'_. R package
  version 0.0.0.9000, <https://github.com/christopherkenny/ggtiger>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggtiger: Princeton Themes for 'ggplot2'},
    author = {Christopher T. Kenny},
    year = {2026},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/christopherkenny/ggtiger},
  }