To cite package ‘ottr’ in publications use:

  Pyles C (2026). _ottr: An R Autograding Extension for Otter-Grader_.
  R package version 1.6.0, <https://CRAN.R-project.org/package=ottr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ottr: An R Autograding Extension for Otter-Grader},
    author = {Christopher Pyles},
    year = {2026},
    note = {R package version 1.6.0},
    url = {https://CRAN.R-project.org/package=ottr},
  }
