To cite spider in a publication please use:

Brown S, Collins R, Boyer S, Lefort M, Malumbres-Olarte J, Vink C, Cruickshank R (2012). “SPIDER: an R package for the analysis of species identity and evolution, with particular reference to DNA barcoding.” Molecular Ecology Resources, 12, 562-565. doi:10.1111/j.1755-0998.2011.03108.x.

spider is evolving quickly, so you may want to cite its version number (found with 'library(help = spider)' or 'packageVersion("spider")').

Corresponding BibTeX entry:

  @Article{,
    title = {{SPIDER}: an {R} package for the analysis of species
      identity and evolution, with particular reference to {DNA}
      barcoding},
    author = {Samuel D. J. Brown and Rupert A. Collins and Stephane
      Boyer and Marie-Caroline Lefort and Jagoba Malumbres-Olarte and
      Cor J. Vink and Robert H. Cruickshank},
    journal = {Molecular Ecology Resources},
    year = {2012},
    volume = {12},
    pages = {562-565},
    doi = {10.1111/j.1755-0998.2011.03108.x},
  }