To cite package ‘Delta’ in publications use:

Rodriguez A (2019). Delta: Measure of Agreement Between Two Raters. R package version 0.2.0.3, https://CRAN.R-project.org/package=Delta.

Corresponding BibTeX entry:

  @Manual{,
    title = {Delta: Measure of Agreement Between Two Raters},
    author = {Antonio Rodriguez},
    year = {2019},
    note = {R package version 0.2.0.3},
    url = {https://CRAN.R-project.org/package=Delta},
  }