To cite package ‘needenv’ in publications use:

  Brokamp C (2026). _needenv: Validate Required Environment Variables
  with Defaults_. R package version 0.1.0,
  <https://github.com/cole-brokamp/needenv>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {needenv: Validate Required Environment Variables with Defaults},
    author = {Cole Brokamp},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/cole-brokamp/needenv},
  }