To cite package ‘catchmentACS’ in publications use:

  Lee J (2026). _catchmentACS: Isochrone-Based Area-Weighted ACS
  Aggregation_. R package version 0.6.0,
  <https://github.com/joonho112/catchmentACS>.

A BibTeX entry for LaTeX users is

  @Manual{catchmentACS,
    title = {{catchmentACS}: Isochrone-Based Area-Weighted {ACS} Aggregation},
    author = {JoonHo Lee},
    year = {2026},
    note = {R package version 0.6.0},
    url = {https://github.com/joonho112/catchmentACS},
  }