To cite package ‘libgeos’ in publications use:

  Dunnington D, GEOS authors (2024). _libgeos: Open Source Geometry
  Engine ('GEOS') C API_. R package version 3.11.1-2, ,
  <https://github.com/paleolimbot/libgeos>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {libgeos: Open Source Geometry Engine ('GEOS') C API},
    author = {Dewey Dunnington and {GEOS authors}},
    year = {2024},
    note = {R package version 3.11.1-2, 
},
    url = {https://github.com/paleolimbot/libgeos},
  }