To cite package ‘shellgame’ in publications use:

  Markson P (2026). _shellgame: The Shell Game - Audit Geographic Data
  Transformations_. R package version 0.1.0,
  <https://github.com/phinnphace/shellgame>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {shellgame: The Shell Game - Audit Geographic Data Transformations},
    author = {Phinn Markson},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/phinnphace/shellgame},
  }