To cite siplab in publications use:

Garcia O (2014). “Siplab, a spatial individual-based plant modelling system.” Computational Ecology and Software, 4(4), 215–222. http://www.iaees.org/publications/journals/ces/articles/2014-4(4)/2014-4(4).asp.

Corresponding BibTeX entry:

  @Article{,
    title = {Siplab, a spatial individual-based plant modelling
      system},
    author = {Oscar Garcia},
    journal = {Computational Ecology and Software},
    year = {2014},
    volume = {4},
    number = {4},
    pages = {215--222},
    url =
      {http://www.iaees.org/publications/journals/ces/articles/2014-4(4)/2014-4(4).asp},
  }