To cite package ‘R2sample’ in publications use:

  Rolke W (2024). _R2sample: Various Methods for the Two Sample
  Problem_. R package version 2.2.0,
  <https://CRAN.R-project.org/package=R2sample>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {R2sample: Various Methods for the Two Sample Problem},
    author = {Wolfgang Rolke},
    year = {2024},
    note = {R package version 2.2.0},
    url = {https://CRAN.R-project.org/package=R2sample},
  }