To cite package ‘hIRT’ in publications use:

Zhou X (2026). hIRT: Hierarchical Item Response Theory Models. R package version 0.4.0, https://github.com/xiangzhou09/hirt.

Corresponding BibTeX entry:

  @Manual{,
    title = {hIRT: Hierarchical Item Response Theory Models},
    author = {Xiang Zhou},
    year = {2026},
    note = {R package version 0.4.0},
    url = {https://github.com/xiangzhou09/hirt},
  }