To cite package geospt in publications use:

Melo C, Santacruz A, Melo O (2012). geospt: An R package for spatial statistics.. R package version 1.0-0, geospt.r-forge.r-project.org/.

Corresponding BibTeX entry:

  @Manual{,
    title = {geospt: An R package for spatial statistics.},
    author = {C. Melo and A. Santacruz and O. Melo},
    year = {2012},
    url = {geospt.r-forge.r-project.org/},
    note = {R package version 1.0-0},
  }