To cite iucnr in publications use:

  Santos-Andrade Paul E. (2024). iucnr: IUCN Red List Data.

A BibTeX entry for LaTeX users is

  @Manual{,
    author = {Paul E. Santos Andrade},
    title = {iucnr: IUCN Red List Data},
    year = {2024},
    url = {https://paulesantos.github.io/iucnr/},
  }

To cite the IUCN dataset, please use: IUCN (2022). The IUCN Red List of
Threatened Species. Version 2022-2. https://www.iucnredlist.org.
Downloaded on 2023-05-09. https://doi.org/10.15468/0qnb58 accessed via
GBIF.org on 2023-11-17.