To cite the clhs package in publications use:

Roudier, P. clhs: a R package for conditioned Latin hypercube sampling. 2011.

Corresponding BibTeX entry:

  @Manual{,
    title = {clhs: a R package for conditioned Latin hypercube
      sampling.},
    author = {Pierre Roudier},
    year = {2011},
    url = {http://code.scenzgrid.org/index.php/p/clhs/},
  }