To cite package ‘h3o’ in publications use:

Parry J (2026). h3o: H3 Geospatial Indexing System. R package version 0.3.1, https://github.com/extendr/h3o.

Corresponding BibTeX entry:

  @Manual{,
    title = {h3o: H3 Geospatial Indexing System},
    author = {Josiah Parry},
    year = {2026},
    note = {R package version 0.3.1},
    url = {https://github.com/extendr/h3o},
  }