To cite package ‘wordpiece’ in publications use:

  Bratt J, Harmon J (2024). _wordpiece: R Implementation of Wordpiece
  Tokenization_. R package version 2.1.3,
  <https://github.com/macmillancontentscience/wordpiece>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {wordpiece: R Implementation of Wordpiece Tokenization},
    author = {Jonathan Bratt and Jon Harmon},
    year = {2024},
    note = {R package version 2.1.3},
    url = {https://github.com/macmillancontentscience/wordpiece},
  }