To cite package ‘countryscales’ in publications use:

Moog S, scales authors (2026). countryscales: Country Scales. R package version 0.3.0.9000, https://github.com/trekonom/countryscales.

Corresponding BibTeX entry:

  @Manual{,
    title = {countryscales: Country Scales},
    author = {Stefan Moog and {scales authors}},
    year = {2026},
    note = {R package version 0.3.0.9000},
    url = {https://github.com/trekonom/countryscales},
  }