To cite package ‘gridpin’ in publications use:

  GridPin, Authors of the dependency Rust crates (2026). _gridpin:
  Offline Geocoding with One File per Country_. R package version
  0.6.0, <https://github.com/gridpin/gridpin>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gridpin: Offline Geocoding with One File per Country},
    author = {{GridPin} and {Authors of the dependency Rust crates}},
    year = {2026},
    note = {R package version 0.6.0},
    url = {https://github.com/gridpin/gridpin},
  }