To cite package ‘pii’ in publications use:

Patterson-Stein J (2025). pii: Search Data Frames for Personally Identifiable Information. R package version 1.3.0, https://github.com/jacobpstein/pii.

Corresponding BibTeX entry:

  @Manual{,
    title = {pii: Search Data Frames for Personally Identifiable
      Information},
    author = {Jacob Patterson-Stein},
    year = {2025},
    note = {R package version 1.3.0},
    url = {https://github.com/jacobpstein/pii},
  }