To cite the envirem package in publications, please use:

  Title P, Bemmels J (2018). “ENVIREM: An expanded set of bioclimatic
  and topographic variables increases flexibility and improves
  performance of ecological niche modeling.” _Ecography_, *41*,
  291-307. doi:10.1111/ecog.02880 <https://doi.org/10.1111/ecog.02880>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {ENVIREM: An expanded set of bioclimatic and topographic variables increases flexibility and improves performance of ecological niche modeling},
    author = {Pascal Title and Jordan Bemmels},
    journal = {Ecography},
    year = {2018},
    volume = {41},
    pages = {291-307},
    doi = {10.1111/ecog.02880},
  }