To cite package ‘testit’ in publications use:

Xie Y (2026). testit: A Simple Package for Testing R Packages. R package version 1.0.1, https://github.com/yihui/testit.

Corresponding BibTeX entry:

  @Manual{,
    title = {testit: A Simple Package for Testing R Packages},
    author = {Yihui Xie},
    year = {2026},
    note = {R package version 1.0.1},
    url = {https://github.com/yihui/testit},
  }