To cite package ‘OUwie’ in publications use:

  Beaulieu JM, O'Meara B (2026). _OUwie: Analysis of Evolutionary Rates
  in an OU Framework_. R package version 3.0.2,
  <https://CRAN.R-project.org/package=OUwie>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {OUwie: Analysis of Evolutionary Rates in an OU Framework},
    author = {Jeremy M. Beaulieu and Brian O'Meara},
    year = {2026},
    note = {R package version 3.0.2},
    url = {https://CRAN.R-project.org/package=OUwie},
  }