To cite package ‘classicaltest’ in publications use:

Christiansen A (2025). classicaltest: Classical Test Theory (CTT) Analysis. R package version 0.7.5, https://CRAN.R-project.org/package=classicaltest.

Corresponding BibTeX entry:

  @Manual{,
    title = {classicaltest: Classical Test Theory (CTT) Analysis},
    author = {Andrés Christiansen},
    year = {2025},
    note = {R package version 0.7.5},
    url = {https://CRAN.R-project.org/package=classicaltest},
  }