To cite package ‘raters’ in publications use:

Quatto P, Ripamonti E (2024). raters: A Modification of Fleiss' Kappa in Case of Nominal and Ordinal Variables. R package version 2.1.1, https://CRAN.R-project.org/package=raters.

Corresponding BibTeX entry:

  @Manual{,
    title = {raters: A Modification of Fleiss' Kappa in Case of Nominal
      and Ordinal Variables},
    author = {Piero Quatto and Enrico Ripamonti},
    year = {2024},
    note = {R package version 2.1.1},
    url = {https://CRAN.R-project.org/package=raters},
  }