To cite antanym and the SCAR Composite Gazetteer in publications use:

  Secretariat SCAR (1992 updated 2024) Composite Gazetteer of
  Antarctica, Scientific Committee on Antarctic Research. GCMD Metadata
  (http://gcmd.nasa.gov/records/SCAR_Gazetteer.html) Data obtained via
  the antanym R package: https://github.com/ropensci/antanym

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Composite Gazetteer of Antarctica, Scientific Committee on Antarctic Research. Data obtained via the antanym R package: https://github.com/ropensci/antanym},
    author = {{Secretariat SCAR}},
    year = {1992, updated 2024},
    url = {http://gcmd.nasa.gov/records/SCAR_Gazetteer.html},
  }