To cite package ‘purrrlyr’ in publications use:

  Henry L (2024). _purrrlyr: Tools at the Intersection of 'purrr' and
  'dplyr'_. R package version 0.0.8.9000,
  <https://github.com/hadley/purrrlyr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {purrrlyr: Tools at the Intersection of 'purrr' and 'dplyr'},
    author = {Lionel Henry},
    year = {2024},
    note = {R package version 0.0.8.9000},
    url = {https://github.com/hadley/purrrlyr},
  }