To cite package ‘codepsych’ in publications use:

  Buck S (2026). _codepsych: CodePsych_. R package version 0.0.0.9002,
  <https://github.com/susanbuck/codepsych>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {codepsych: CodePsych},
    author = {Susan Buck},
    year = {2026},
    note = {R package version 0.0.0.9002},
    url = {https://github.com/susanbuck/codepsych},
  }