To cite package ‘tidymodels’ in publications use:

  Kuhn et al., (2020). Tidymodels: a collection of packages for
  modeling and machine learning using tidyverse principles.
  https://www.tidymodels.org

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Tidymodels: a collection of packages for modeling and machine learning using tidyverse principles.},
    author = {Max Kuhn and Hadley Wickham},
    url = {https://www.tidymodels.org},
    year = {2020},
  }