To cite package 'eva' in publications use:

Bader B, Yan J (2020). eva: Extreme Value Analysis with Goodness-of-Fit Testing.

Corresponding BibTeX entry:

  @Manual{,
    title = {eva: Extreme Value Analysis with Goodness-of-Fit Testing},
    author = {Brian Bader and Jun Yan},
    year = {2020},
    vers = {R package version 0.2.6},
  }