To cite package ‘MLCIRTwithin’ in publications use:

  Bartolucci F, Bacci S (2025). _MLCIRTwithin: Latent Class Item
  Response Theory (LC-IRT) Models under Within-Item
  Multidimensionality_. R package version 2.1.2,
  <https://CRAN.R-project.org/package=MLCIRTwithin>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {MLCIRTwithin: Latent Class Item Response Theory (LC-IRT) Models under
Within-Item Multidimensionality},
    author = {Francesco Bartolucci and Silvia Bacci},
    year = {2025},
    note = {R package version 2.1.2},
    url = {https://CRAN.R-project.org/package=MLCIRTwithin},
  }