To cite package ‘textrank’ in publications use:

Wijffels J (2020). textrank: Summarize Text by Ranking Sentences and Finding Keywords. R package version 0.3.1, https://github.com/bnosac/textrank.

Corresponding BibTeX entry:

  @Manual{,
    title = {textrank: Summarize Text by Ranking Sentences and Finding
      Keywords},
    author = {Jan Wijffels},
    year = {2020},
    note = {R package version 0.3.1},
    url = {https://github.com/bnosac/textrank},
  }