To cite package ‘gmailr’ in publications use:

  Hester J, Bryan J (2024). _gmailr: Access the 'Gmail' 'RESTful' API_.
  R package version 2.0.0.9000, , <https://github.com/r-lib/gmailr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {gmailr: Access the 'Gmail' 'RESTful' API},
    author = {Jim Hester and Jennifer Bryan},
    year = {2024},
    note = {R package version 2.0.0.9000, },
    url = {https://github.com/r-lib/gmailr},
  }