To cite package ‘nfl4th’ in publications use:

Baldwin B (2026). nfl4th: Functions to Calculate Optimal Fourth Down Decisions in the National Football League. R package version 1.0.7, https://github.com/nflverse/nfl4th.

Corresponding BibTeX entry:

  @Manual{,
    title = {nfl4th: Functions to Calculate Optimal Fourth Down
      Decisions in the National Football League},
    author = {Ben Baldwin},
    year = {2026},
    note = {R package version 1.0.7},
    url = {https://github.com/nflverse/nfl4th},
  }