To cite the Lmoments package use:

Karvanen J (2006). “Estimation of quantile mixtures via L-moments and trimmed L-moments.” Computational Statistics & Data Analysis, 51(2), 947-959.

Karvanen J (2019). Lmoments: L-moments and quantile mixtures. R package version 1.3-1.

Corresponding BibTeX entries:

  @Article{,
    title = {Estimation of quantile mixtures via L-moments and trimmed
      L-moments},
    journal = {Computational Statistics & Data Analysis},
    author = {Juha Karvanen},
    year = {2006},
    volume = {51},
    number = {2},
    pages = {947-959},
  }

  @Manual{,
    title = {Lmoments: L-moments and quantile mixtures},
    author = {Juha Karvanen},
    year = {2019},
    note = {R package version 1.3-1},
  }