To cite package 'in2extRemes' in publications use:

Gilleland E, Katz RW (2016). “in2extRemes: Into the R Package extRemes - Extreme Value Analysis for Weather and Climate Applications.” National Center for Atmospheric Research, NCAR/TN-523+STR, 102 pp. doi:10.5065/D65T3HP2.

Corresponding BibTeX entry:

  @TechReport{,
    title = {in2extRemes: Into the R Package extRemes - Extreme Value
      Analysis for Weather and Climate Applications},
    author = {Eric Gilleland and Richard W. Katz},
    institution = {National Center for Atmospheric Research,
      NCAR/TN-523+STR, 102 pp.},
    year = {2016},
    doi = {10.5065/D65T3HP2},
  }