To cite package ‘mockthat’ in publications use:

  Bennett N (2022). _mockthat: Function Mocking for Unit Testing_. R
  package version 0.2.8, <https://github.com/nbenn/mockthat>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {mockthat: Function Mocking for Unit Testing},
    author = {Nicolas Bennett},
    year = {2022},
    note = {R package version 0.2.8},
    url = {https://github.com/nbenn/mockthat},
  }