To cite the lmomRFA package use:

J. R. M. Hosking (2017). Regional Frequency Analysis using L-Moments. R package, version 3.1. URL: https://CRAN.R-project.org/package=lmomRFA.

Corresponding BibTeX entry:

  @Manual{,
    title = {Regional Frequency Analysis using L-Moments},
    author = {J. R. M. Hosking},
    year = {2017},
    note = {R package, version 3.1},
    url = {https://CRAN.R-project.org/package=lmomRFA},
  }