To cite package ‘BoundIRT’ in publications use:

  Molenaar D (2026). _BoundIRT: Fit Bounded Continuous Item Response
  Theory Models to Data_. R package version 0.5.0,
  <https://CRAN.R-project.org/package=BoundIRT>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {BoundIRT: Fit Bounded Continuous Item Response Theory Models to Data},
    author = {Dylan Molenaar},
    year = {2026},
    note = {R package version 0.5.0},
    url = {https://CRAN.R-project.org/package=BoundIRT},
  }