To cite package ‘ypr’ in publications use:

  Thorley J (2024). _ypr: Yield Per Recruit_. R package version
  0.6.0.9000, <https://github.com/poissonconsulting/ypr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ypr: Yield Per Recruit},
    author = {Joe Thorley},
    year = {2024},
    note = {R package version 0.6.0.9000},
    url = {https://github.com/poissonconsulting/ypr},
  }