To cite package ‘deltapif’ in publications use:

  Zepeda-Tello R (2026). _deltapif: Estimate Potential Impact and
  Population Attributable Fractions with Aggregated Data_. R package
  version 0.4.6, <https://github.com/rodrigozepeda/deltapif>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {deltapif: Estimate Potential Impact and Population Attributable Fractions
with Aggregated Data},
    author = {Rodrigo Zepeda-Tello},
    year = {2026},
    note = {R package version 0.4.6},
    url = {https://github.com/rodrigozepeda/deltapif},
  }