To cite PearsonDS in publications use

Martin Becker and Stefan Klößner (2013). PearsonDS: Pearson Distribution System. R package version 0.97. URL http://CRAN.R-project.org/package=PearsonDS

Corresponding BibTeX entry:

  @Manual{,
    title = {{PearsonDS}: Pearson Distribution System},
    author = {Martin Becker and Stefan Kl{\"o}\ss{}ner},
    year = {2013},
    note = {R package version 0.97},
    url = {http://CRAN.R-project.org/package=PearsonDS},
  }