To cite package ‘bpDir’ in publications use:

Buttarazzi D (2026). bpDir: Boxplots for Directional Data. R package version 0.2.6, https://CRAN.R-project.org/package=bpDir.

Corresponding BibTeX entry:

  @Manual{,
    title = {bpDir: Boxplots for Directional Data},
    author = {Davide Buttarazzi},
    year = {2026},
    note = {R package version 0.2.6},
    url = {https://CRAN.R-project.org/package=bpDir},
  }