To cite package ‘elfgen’ in publications use:

  Kleiner J (2026). _elfgen: Ecological Limit Function Model Generation
  and Analysis Toolkit_. R package version 2.3.5,
  <https://github.com/harpgroup/elfgen>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {elfgen: Ecological Limit Function Model Generation and Analysis Toolkit},
    author = {Joseph Kleiner},
    year = {2026},
    note = {R package version 2.3.5},
    url = {https://github.com/harpgroup/elfgen},
  }