To cite package ‘fcirt’ in publications use:

Tu N, Joo S, Lee P, Stark S (2025). fcirt: Forced Choice in Item Response Theory. R package version 0.2.1, https://CRAN.R-project.org/package=fcirt.

Corresponding BibTeX entry:

  @Manual{,
    title = {fcirt: Forced Choice in Item Response Theory},
    author = {Naidan Tu and Seang-Hwane Joo and Philseok Lee and
      Stephen Stark},
    year = {2025},
    note = {R package version 0.2.1},
    url = {https://CRAN.R-project.org/package=fcirt},
  }