To cite package ‘robustDIF’ in publications use:

  Halpin P (2026). _robustDIF: Differential Item Functioning Using
  Robust Scaling_. R package version 0.2.0,
  <https://github.com/peterhalpin/robustdif>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {robustDIF: Differential Item Functioning Using Robust Scaling},
    author = {Peter Halpin},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://github.com/peterhalpin/robustdif},
  }