To cite package ‘testmaker’ in publications use:

  Edwards C (2025). _testmaker: Facilitate writing testthat tests and
  parameter checks for data frames_. R package version 0.0.0.9000, ,
  <https://github.com/framverse/testmaker>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {testmaker: Facilitate writing testthat tests and parameter checks for data
frames},
    author = {Collin Edwards},
    year = {2025},
    note = {R package version 0.0.0.9000, 
},
    url = {https://github.com/framverse/testmaker},
  }