To cite package ‘waffle’ in publications use:

  Rudis B, Gandy D (2023). _waffle: Create Waffle Chart
  Visualizations_. R package version 1.0.2,
  <https://github.com/hrbrmstr/waffle>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {waffle: Create Waffle Chart Visualizations},
    author = {Bob Rudis and Dave Gandy},
    year = {2023},
    note = {R package version 1.0.2},
    url = {https://github.com/hrbrmstr/waffle},
  }