To cite package ‘sdmtools’ in publications use:

Ryan G (2025). sdmtools: Utility tools for Species Distribution Modelling. R package version 0.0.0.9000, https://github.com/idem-lab/sdmtools.

Corresponding BibTeX entry:

  @Manual{,
    title = {sdmtools: Utility tools for Species Distribution
      Modelling},
    author = {Gerry Ryan},
    year = {2025},
    note = {R package version 0.0.0.9000},
    url = {https://github.com/idem-lab/sdmtools},
  }