To cite package evt0 in publications use:

B G Manjunath, Frederico Caeiro (2013).{evt0}:Mean of order p, peaks over random threshold Hill and high quantile estimatesR package version 1.1-3.

Corresponding BibTeX entry:

  @Manual{,
    title = {{evt0}: Mean of order p, peaks over random threshold Hill
      and high quantile estimates},
    author = {B G Manjunath and Frederico Caeiro},
    year = {2013},
    note = {R package version 1.1-3},
    url = {http://cran.r-project.org/web/packages/evt0/index.html},
  }