To cite package ‘ggcheck’ in publications use:

  Aden-Buie G, Grolemund G, Shrestha N (2023). _ggcheck: Inspect
  'ggplot2' Plots for Automated Grading in Learning Exercises_. R
  package version 0.0.5, <https://github.com/rstudio/ggcheck>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ggcheck: Inspect 'ggplot2' Plots for Automated Grading in Learning
Exercises},
    author = {Garrick Aden-Buie and Garrett Grolemund and Nischal Shrestha},
    year = {2023},
    note = {R package version 0.0.5},
    url = {https://github.com/rstudio/ggcheck},
  }