To cite package ‘credentials’ in publications use:

  Ooms J (2024). _credentials: Tools for Managing SSH and Git
  Credentials_. R package version 2.0.1,
  <https://github.com/r-lib/credentials>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {credentials: Tools for Managing SSH and Git Credentials},
    author = {Jeroen Ooms},
    year = {2024},
    note = {R package version 2.0.1},
    url = {https://github.com/r-lib/credentials},
  }