To cite package ‘urlchecker’ in publications use:

  R Core team, Hester J, Csárdi G (2024). _urlchecker: Run CRAN URL
  Checks from Older R Versions_. R package version 1.0.1.9000, ,
  <https://github.com/r-lib/urlchecker>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {urlchecker: Run CRAN URL Checks from Older R Versions},
    author = {{R Core team} and Jim Hester and Gábor Csárdi},
    year = {2024},
    note = {R package version 1.0.1.9000, },
    url = {https://github.com/r-lib/urlchecker},
  }