To cite package ‘nfl4th’ in publications use:

  Baldwin B (2024). _nfl4th: Functions to Calculate Optimal Fourth Down
  Decisions in the National Football League_. R package version
  1.0.4.9002, , <https://github.com/nflverse/nfl4th>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {nfl4th: Functions to Calculate Optimal Fourth Down Decisions in the
National Football League},
    author = {Ben Baldwin},
    year = {2024},
    note = {R package version 1.0.4.9002, },
    url = {https://github.com/nflverse/nfl4th},
  }