To cite package ‘geojson’ in publications use:

  Chamberlain S, Ooms J (2025). _geojson: Classes for 'GeoJSON'_. R
  package version 0.3.5.9000, <https://github.com/ropensci/geojson>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {geojson: Classes for 'GeoJSON'},
    author = {Scott Chamberlain and Jeroen Ooms},
    year = {2025},
    note = {R package version 0.3.5.9000},
    url = {https://github.com/ropensci/geojson},
  }