To cite in publications use:

  Fournier, J., Gallon, R. K., and Paris, R. (2014). G2Sd: a new R
  package for the statistical analysis of unconsolidated sediments.
  Geomorphologie: relief, processus, environnement, (1/2014), 73-78.

A BibTeX entry for LaTeX users is

  @Article{,
    title = {G2Sd: a new R package for the statistical analysis of unconsolidated sediments},
    author = {Jerome Fournier and Regis K. Gallon and Raphael Paris},
    url = {https://journals.openedition.org/geomorphologie/10513},
    doi = {10.4000/geomorphologie.10513},
    journal = {Geomorphologie: relief, processus, environnement},
    year = {2014},
  }