To cite package ‘ParetoPosStable’ in publications use:

  Saez-Castillo A, Prieto F, Sarabia J (2015). _ParetoPosStable:
  Computing, fitting and validating the PPS distribution_.
  ParetoPosStable R package version 1.1,
  <http://CRAN.R-project.org/package=ParetoPosStable>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {{ParetoPosStable}: Computing, fitting and validating the PPS distribution},
    author = {Antonio Jose Saez-Castillo and Faustino Prieto and Jose Maria Sarabia},
    year = {2015},
    note = {ParetoPosStable R package version 1.1},
    url = {http://CRAN.R-project.org/package=ParetoPosStable},
  }