To cite package ‘rnaturalearthdata’ in publications use:

South A, Michael S, Massicotte P (2025). rnaturalearthdata: World Vector Map Data from Natural Earth Used in 'rnaturalearth'. R package version 1.0.0.9000, https://github.com/ropensci/rnaturalearthdata.

Corresponding BibTeX entry:

  @Manual{,
    title = {rnaturalearthdata: World Vector Map Data from Natural
      Earth Used in 'rnaturalearth'},
    author = {Andy South and Schramm Michael and Philippe Massicotte},
    year = {2025},
    note = {R package version 1.0.0.9000},
    url = {https://github.com/ropensci/rnaturalearthdata},
  }