To cite package ‘rconfig’ in publications use:

  Solymos P (2023). _rconfig: Manage R Configuration at the Command
  Line_. R package version 0.3.0,
  <https://github.com/analythium/rconfig>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rconfig: Manage R Configuration at the Command Line},
    author = {Peter Solymos},
    year = {2023},
    note = {R package version 0.3.0},
    url = {https://github.com/analythium/rconfig},
  }