To cite package ‘tabularmaps’ in publications use:

Uryu S (2020). tabularmaps: Create Tile-Grid Geographical Maps. R package version 0.1.0.9000, https://github.com/uribo/tabularmaps.

Corresponding BibTeX entry:

  @Manual{,
    title = {tabularmaps: Create Tile-Grid Geographical Maps},
    author = {Shinya Uryu},
    year = {2020},
    note = {R package version 0.1.0.9000},
    url = {https://github.com/uribo/tabularmaps},
  }