To cite package ‘pii’ in publications use:

  Patterson-Stein J (2024). _pii: Search Data Frames for Personally
  Identifiable Information_. R package version 1.0.0,
  <https://github.com/jacobpstein/pii>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pii: Search Data Frames for Personally Identifiable Information},
    author = {Jacob Patterson-Stein},
    year = {2024},
    note = {R package version 1.0.0},
    url = {https://github.com/jacobpstein/pii},
  }