To cite contentvalidR in publications, use (APA, 7th ed.):

  Uhalt, J. (2026). contentvalidR: Tools for substantive and content
  validity pretesting (R package version 0.10.1) [Computer software].
  https://github.com/JUhalt/contentvalidR

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{contentvalidR}: Tools for substantive and content validity pretesting},
    author = {Joshua Uhalt},
    year = {2026},
    note = {R package version 0.10.1},
    url = {https://github.com/JUhalt/contentvalidR},
  }