To cite package ‘choroplethr’ in publications use:

  Lamstein A (2025). _choroplethr: Create Color-Coded Choropleth Maps
  in R_. R package version 5.0.1,
  <https://github.com/eastnile/choroplethr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {choroplethr: Create Color-Coded Choropleth Maps in R},
    author = {Ari Lamstein},
    year = {2025},
    note = {R package version 5.0.1},
    url = {https://github.com/eastnile/choroplethr},
  }