To cite package ‘sets’ in publications use:

Meyer D, Hornik K (2022). sets: Sets, Generalized Sets, Customizable Sets and Intervals. R package version 1.0-21, https://CRAN.R-project.org/package=sets.

Meyer D, Hornik K (2009). “Generalized and Customizable Sets in R.” Journal of Statistical Software, 31(2), 1–27. doi: 10.18637/jss.v031.i02.

Corresponding BibTeX entries:

  @Manual{,
    title = {sets: Sets, Generalized Sets, Customizable Sets and
      Intervals},
    author = {David Meyer and Kurt Hornik},
    year = {2022},
    note = {R package version 1.0-21},
    url = {https://CRAN.R-project.org/package=sets},
  }

  @Article{,
    title = {Generalized and Customizable Sets in {R}},
    author = {David Meyer and Kurt Hornik},
    journal = {Journal of Statistical Software},
    year = {2009},
    volume = {31},
    number = {2},
    pages = {1--27},
    doi = {10.18637/jss.v031.i02},
  }