To cite package ‘withr’ in publications use:

Hester J, Henry L, Müller K, Ushey K, Wickham H, Chang W (2026). withr: Run Code 'With' Temporarily Modified Global State. R package version 3.0.2.9001, https://github.com/r-lib/withr.

Corresponding BibTeX entry:

  @Manual{,
    title = {withr: Run Code 'With' Temporarily Modified Global State},
    author = {Jim Hester and Lionel Henry and Kirill Müller and Kevin
      Ushey and Hadley Wickham and Winston Chang},
    year = {2026},
    note = {R package version 3.0.2.9001},
    url = {https://github.com/r-lib/withr},
  }