To cite package ‘rpkgdemo’ in publications use:

  Turner S (2026). _rpkgdemo: A demo package for building R packages_.
  R package version 1.0.0, <https://github.com/stephenturner/rpkgdemo>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rpkgdemo: A demo package for building R packages},
    author = {Stephen Turner},
    year = {2026},
    note = {R package version 1.0.0},
    url = {https://github.com/stephenturner/rpkgdemo},
  }