This is how you can cite canaper in publications (please replace the
DOI below with the one matching the version in use; for more
information, see the README at https://github.com/ropensci/canaper)

  Nitta JH, Iwasaki W. (2021) canaper: Categorical analysis of neo- and
  paleo-endemism in R. doi: 10.5281/zenodo.5094032

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {canaper: Categorical analysis of neo- and paleo-endemism in {R}},
    author = {Joel H. Nitta and Wataru Iwasaki},
    year = {2021},
    url = {https://github.com/ropensci/canaper},
    doi = {10.5281/zenodo.5094032},
  }