To cite package ‘appc’ in publications use:

Brokamp C, Manning E, Duan Q (2026). appc: Air Pollution Predictor Commons. R package version 3.0.0, https://github.com/geomarker-io/appc.

Corresponding BibTeX entry:

  @Manual{,
    title = {appc: Air Pollution Predictor Commons},
    author = {Cole Brokamp and Erika Manning and Qing Duan},
    year = {2026},
    note = {R package version 3.0.0},
    url = {https://github.com/geomarker-io/appc},
  }