To cite package ‘evir’ in publications use:

Pfaff B, McNeil A (2016). evir: Extreme Values in R. R package version 1.7-4, https://github.com/bpfaff/evir.

Corresponding BibTeX entry:

  @Manual{,
    title = {evir: Extreme Values in R},
    author = {Bernhard Pfaff and Alexander McNeil},
    year = {2016},
    note = {R package version 1.7-4},
    url = {https://github.com/bpfaff/evir},
  }