To cite package ‘causalpie’ in publications use:

  Barrett M (2026). _causalpie: Causal Pies for Sufficient Causes_. R
  package version 0.1.0, <https://github.com/r-causal/causalpie>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {causalpie: Causal Pies for Sufficient Causes},
    author = {Malcolm Barrett},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/r-causal/causalpie},
  }