To cite package ‘iDIFr’ in publications use:

  Rogers T (2026). _iDIFr: Intersectional Differential Item Functioning
  Analysis_. R package version 1.0.1,
  <https://CRAN.R-project.org/package=iDIFr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {iDIFr: Intersectional Differential Item Functioning Analysis},
    author = {Thomas Rogers},
    year = {2026},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=iDIFr},
  }