To cite tidyfst in publications use:

  Huang et al., (2020). tidyfst: Tidy Verbs for Fast Data Manipulation.
  Journal of Open Source Software, 5(52), 2388,
  https://doi.org/10.21105/joss.02388

A BibTeX entry for LaTeX users is

  @Article{,
    title = {tidyfst: Tidy Verbs for Fast Data Manipulation},
    author = {Tian-Yuan Huang and Bin Zhao},
    journal = {Journal of Open Source Software},
    year = {2020},
    volume = {5},
    number = {52},
    pages = {2388},
    doi = {10.21105/joss.02388},
    url = {https://doi.org/10.21105/joss.02388},
  }