To cite POT in publications use:

Mathieu Ribatet and Christophe Dutang (2019). POT: Generalized Pareto Distribution and Peaks Over Threshold. R package version 1.1-7.

Please cite both the package and R when using them for data analysis. See also ‘citation()’ for citing R.

Corresponding BibTeX entry:

  @Manual{,
    title = {{POT}: Generalized Pareto Distribution and Peaks Over
      Threshold},
    author = {Mathieu Ribatet and Christophe Dutang},
    year = {2019},
    note = {R package version 1.1-7},
    url = {https://CRAN.R-project.org/package=POT},
  }