To cite tm.plugin.koRpus in publications use:

michalke m (2021). tm.plugin.koRpus: Full Corpus Support for the 'koRpus' Package. (Version 0.4-2), https://reaktanz.de/?c=hacking&s=koRpus.

Corresponding BibTeX entry:

  @Manual{,
    title = {tm.plugin.koRpus: Full Corpus Support for the 'koRpus'
      Package},
    author = {m.eik michalke},
    year = {2021},
    note = {(Version 0.4-2)},
    url = {https://reaktanz.de/?c=hacking&s=koRpus},
  }