To cite package ‘irw’ in publications use:

  Lee H, Hardy M, Domingue B (2026). _irw: Access and Analyze Data from
  the Item Response Warehouse_. R package version 1.3.1.9001,
  <https://github.com/itemresponsewarehouse/rpkg>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {irw: Access and Analyze Data from the Item Response Warehouse},
    author = {Hansol Lee and Michael Hardy and Ben Domingue},
    year = {2026},
    note = {R package version 1.3.1.9001},
    url = {https://github.com/itemresponsewarehouse/rpkg},
  }