To cite package ‘ppks’ in publications use:

  Tsagris M (2025). _ppks: Permutation Based Paired Kolmogorov-Smirnov
  Test_. R package version 1.0,
  <https://CRAN.R-project.org/package=ppks>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ppks: Permutation Based Paired Kolmogorov-Smirnov Test},
    author = {Michail Tsagris},
    year = {2025},
    note = {R package version 1.0},
    url = {https://CRAN.R-project.org/package=ppks},
  }