To cite cv in publications use:

  Fox J, Monette G (2026). “cv: An R Package for Cross-Validating
  Regression Models.” _Journal of Statistical Software_, *116*(8),
  1-41. doi:10.18637/jss.v116.i08
  <https://doi.org/10.18637/jss.v116.i08>.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {{cv}: An {R} Package for Cross-Validating Regression Models},
    author = {John Fox and Georges Monette},
    journal = {Journal of Statistical Software},
    year = {2026},
    volume = {116},
    number = {8},
    pages = {1--41},
    doi = {10.18637/jss.v116.i08},
  }