To cite package ‘MVLs’ in publications use:

  Provost K, Stafford C (2026). _MVLs: Model Validation Levels_. R
  package version 2.1, <https://CRAN.R-project.org/package=MVLs>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {MVLs: Model Validation Levels},
    author = {Kyle Provost and Corinne Stafford},
    year = {2026},
    note = {R package version 2.1},
    url = {https://CRAN.R-project.org/package=MVLs},
  }