To cite DirStats in publications use:

García-Portugués, E. (2023). DirStats: Nonparametric Methods for Directional Data. R package version 0.1.9. https://CRAN.R-project.org/package=DirStats

Corresponding BibTeX entry:

  @Manual{,
    title = {{DirStats}: Nonparametric Methods for Directional Data},
    author = {Eduardo García-Portugués},
    year = {2023},
    note = {R package version 0.1.9},
    url = {https://CRAN.R-project.org/package=DirStats},
  }