To cite package ‘roger’ in publications use:

Goulet V, Fréchette S, Langlois J (2023). roger: Automated Grading of R Scripts. R package version 1.5-1, https://CRAN.R-project.org/package=roger.

Corresponding BibTeX entry:

  @Manual{,
    title = {roger: Automated Grading of R Scripts},
    author = {Vincent Goulet and Samuel Fréchette and Jean-Christophe
      Langlois},
    year = {2023},
    note = {R package version 1.5-1},
    url = {https://CRAN.R-project.org/package=roger},
  }