To cite package ‘diffr’ in publications use:

Muschelli J (2025). diffr: Display Differences Between Two Files using Codediff Library. R package version 0.3.0, https://github.com/muschellij2/diffr.

Corresponding BibTeX entry:

  @Manual{,
    title = {diffr: Display Differences Between Two Files using
      Codediff Library},
    author = {John Muschelli},
    year = {2025},
    note = {R package version 0.3.0},
    url = {https://github.com/muschellij2/diffr},
  }