To cite package ‘Reacnorm’ in publications use:

  de Villemereuil P (2025). _Reacnorm: Perform a Partition of Variance
  of Reaction Norms_. R package version 0.2.1,
  <https://github.com/devillemereuil/reacnorm>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {Reacnorm: Perform a Partition of Variance of Reaction Norms},
    author = {Pierre {de Villemereuil}},
    year = {2025},
    note = {R package version 0.2.1},
    url = {https://github.com/devillemereuil/reacnorm},
  }