To cite package ‘pr’ in publications use:

  Kenny C (2026). _pr: Classes for Probabilities_. R package version
  0.0.1, <https://github.com/christopherkenny/pr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pr: Classes for Probabilities},
    author = {Christopher T. Kenny},
    year = {2026},
    note = {R package version 0.0.1},
    url = {https://github.com/christopherkenny/pr},
  }