To cite package ‘brazilmaps’ in publications use:

Prado Siqueira R (2026). brazilmaps: Brazilian Maps from Different Geographic Levels. R package version 1.0.0, https://github.com/rpradosiqueira/brazilmaps.

Corresponding BibTeX entry:

  @Manual{,
    title = {brazilmaps: Brazilian Maps from Different Geographic
      Levels},
    author = {Renato {Prado Siqueira}},
    year = {2026},
    note = {R package version 1.0.0},
    url = {https://github.com/rpradosiqueira/brazilmaps},
  }