To cite the `poweRlaw` packages in publications use:

Colin S Gillespie (2013). Fitting heavy tailed distributions: the poweRlaw package. R package version 0.20.2.

Corresponding BibTeX entry:

  @Manual{,
    title = {Fitting heavy tailed distributions: the poweRlaw package},
    author = {Colin S Gillespie},
    year = {2013},
    note = {R package version 0.20.2},
  }