To cite pmclust in a publication use:

W.-C. Chen, G. Ostrouchov (2012). pmclust: Parallel Model-Based Clustering. R Package, URL https://cran.r-project.org/package=pmclust

W.-C. Chen, G. Ostrouchov (2012). A Quick Guide for the pmclust Package. R Vignette, URL https://cran.r-project.org/package=pmclust

Corresponding BibTeX entries:

  @Misc{Chen2012pmclustpackage,
    title = {{pmclust}: Parallel Model-Based Clustering},
    author = {Wei-Chen Chen and George Ostrouchov},
    year = {2012},
    note = {R Package},
    url = {https://cran.r-project.org/package=pmclust},
  }

  @Manual{Chen2012pmclustvignette,
    title = {A Quick Guide to the {pmclust} Package},
    author = {Wei-Chen Chen and George Ostrouchov},
    year = {2012},
    note = {R Vignette},
    url = {https://cran.r-project.org/package=pmclust},
  }