To cite package ‘xopen’ in publications use:

Csárdi G, Boudra F, Dieter R, Krammer K, White J (2025). xopen: Open System Files, 'URLs', Anything. R package version 1.0.1.9000, https://github.com/r-lib/xopen.

Corresponding BibTeX entry:

  @Manual{,
    title = {xopen: Open System Files, 'URLs', Anything},
    author = {Gábor Csárdi and Fathi Boudra and Rex Dieter and Kevin
      Krammer and Jeremy White},
    year = {2025},
    note = {R package version 1.0.1.9000},
    url = {https://github.com/r-lib/xopen},
  }