To cite package ‘barrks’ in publications use:

  Jentschke J (2024). _barrks: Calculate Bark Beetle Phenology Using
  Different Models_. R package version 1.0.1,
  <https://CRAN.R-project.org/package=barrks>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {barrks: Calculate Bark Beetle Phenology Using Different Models},
    author = {Jakob Jentschke},
    year = {2024},
    note = {R package version 1.0.1},
    url = {https://CRAN.R-project.org/package=barrks},
  }