To cite package ‘doBy’ in publications use:

  Halekoh U, Højsgaard S (2024). _doBy: Groupwise Statistics, LSmeans,
  Linear Estimates, Utilities_. R package version 4.6.24,
  <https://CRAN.R-project.org/package=doBy>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {doBy: Groupwise Statistics, LSmeans, Linear Estimates, Utilities},
    author = {Ulrich Halekoh and Søren Højsgaard},
    year = {2024},
    note = {R package version 4.6.24},
    url = {https://CRAN.R-project.org/package=doBy},
  }