To cite package ‘cv’ in publications use:

  Fox J, Monette G (2024). _cv: Cross-Validating Regression Models_. R
  package version 2.0.3, , <https://github.com/gmonette/cv>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {cv: Cross-Validating Regression Models},
    author = {John Fox and Georges Monette},
    year = {2024},
    note = {R package version 2.0.3, 
},
    url = {https://github.com/gmonette/cv},
  }