To cite package ‘gleifr’ in publications use:

  Mücke M (2026). _gleifr: Client for the 'GLEIF' API_. R package
  version 0.1.0, <https://CRAN.R-project.org/package=gleifr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gleifr: Client for the 'GLEIF' API},
    author = {Maximilian Mücke},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://CRAN.R-project.org/package=gleifr},
  }