To cite package ‘USAboundariesData’ in publications use:

Mullen L (2025). USAboundariesData: Datasets for the 'USAboundaries' package. R package version 0.5.1, https://github.com/ropensci/usaboundariesdata.

Corresponding BibTeX entry:

  @Manual{,
    title = {USAboundariesData: Datasets for the 'USAboundaries'
      package},
    author = {Lincoln Mullen},
    year = {2025},
    note = {R package version 0.5.1},
    url = {https://github.com/ropensci/usaboundariesdata},
  }