To cite textclean in publications, please use:

  Rinker, T. W. (2021). textclean: Text Cleaning Tools version 0.9.6.
  Buffalo, New York. https://github.com/trinker/textclean

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{textclean}: Text Cleaning Tools},
    author = {Tyler W. Rinker},
    address = {Buffalo, New York},
    note = {version 0.9.6},
    year = {2021},
    url = {https://github.com/trinker/textclean},
  }