To cite tsallisqexp in publications use:

Cosma S and Christophe D (2015). tsallisqexp: Tsallis distribution. R package version 0.9-2, http://CRAN.R-project.org/package=tsallisqexp.

Corresponding BibTeX entry:

  @Manual{,
    title = {tsallisqexp: Tsallis distribution},
    author = {Shalizi Cosma and Dutang Christophe},
    year = {2015},
    note = {R package version 0.9-2},
    url = {http://CRAN.R-project.org/package=tsallisqexp},
  }