To cite package ‘thurstonianIRT’ in publications use:

  Bürkner P (2024). _thurstonianIRT: Thurstonian IRT Models_. R package
  version 0.12.5, <https://CRAN.R-project.org/package=thurstonianIRT>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {thurstonianIRT: Thurstonian IRT Models},
    author = {Paul-Christian Bürkner},
    year = {2024},
    note = {R package version 0.12.5},
    url = {https://CRAN.R-project.org/package=thurstonianIRT},
  }