To cite package ‘subscore’ in publications use:

Dai S, Wang X, Svetina D (2022). subscore: Computing Subscores in Classical Test Theory and Item Response Theory. R package version 3.3, https://CRAN.R-project.org/package=subscore.

Corresponding BibTeX entry:

  @Manual{,
    title = {subscore: Computing Subscores in Classical Test Theory and
      Item Response Theory},
    author = {Shenghai Dai and Xiaolin Wang and Dubravka Svetina},
    year = {2022},
    note = {R package version 3.3},
    url = {https://CRAN.R-project.org/package=subscore},
  }