To cite package ‘rversions’ in publications use:

Csárdi G (2025). rversions: Query 'R' Versions, Including 'r-release' and 'r-oldrel'. R package version 3.0.0.9000, https://github.com/r-hub/rversions.

Corresponding BibTeX entry:

  @Manual{,
    title = {rversions: Query 'R' Versions, Including 'r-release' and
      'r-oldrel'},
    author = {Gábor Csárdi},
    year = {2025},
    note = {R package version 3.0.0.9000},
    url = {https://github.com/r-hub/rversions},
  }