To cite SNPMClust in publications use:

Stephen W. Erickson, Joshua C. Callaway (2016). SNPMClust: Bivariate Gaussian Genotype Clustering and Calling for Illumina Microarrays. Journal of Statistical Software, 71(2), 1-9.<doi:10.18637/jss.v071.c02>

Corresponding BibTeX entry:

  @Article{,
    title = {{SNPMClust}: Bivariate {G}aussian Genotype Clustering and
      Calling for {I}llumina Microarrays},
    author = {Stephen W. Erickson and Joshua C. Callaway},
    journal = {Journal of Statistical Software, Code Snippets},
    year = {2016},
    volume = {71},
    number = {2},
    pages = {1--9},
    doi = {10.18637/jss.v071.c02},
  }