To cite package 'lmomco' in publications use:

Asquith W (2020). lmomco—L-moments, censored L-moments, trimmed L-moments, L-comoments, and many distributions. R package version 2.3.6.

Corresponding BibTeX entry:

  @Manual{,
    title = {lmomco---L-moments, censored L-moments, trimmed L-moments,
      L-comoments, and many distributions},
    author = {W.H. Asquith},
    year = {2020},
    note = {R package version 2.3.6},
  }