To cite package ‘areaOfEffect’ in publications use:

  Colling G (2026). _areaOfEffect: Classify Points by Distance to
  Polygon Boundaries_. R package version 0.2.5,
  <https://github.com/gcol33/areaofeffect>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {areaOfEffect: Classify Points by Distance to Polygon Boundaries},
    author = {Gilles Colling},
    year = {2026},
    note = {R package version 0.2.5},
    url = {https://github.com/gcol33/areaofeffect},
  }