To cite package ‘varian’ in publications use:

  Wiley J (2023). _varian: Variability Analysis in R_. R package
  version 0.3.0, , <https://github.com/jwiley/varian>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {varian: Variability Analysis in R},
    author = {Joshua F. Wiley},
    year = {2023},
    note = {R package version 0.3.0, },
    url = {https://github.com/jwiley/varian},
  }