To cite koRpus in publications use:

Michalke M (2020). koRpus: An R Package for Text Analysis. (Version 0.13-3), https://reaktanz.de/?c=hacking&s=koRpus.

Corresponding BibTeX entry:

  @Manual{,
    title = {koRpus: An R Package for Text Analysis},
    author = {Meik Michalke},
    year = {2020},
    note = {(Version 0.13-3)},
    url = {https://reaktanz.de/?c=hacking&s=koRpus},
  }