To cite bclust in publications use:

Vahid Partovi Nia, Anthony C. Davison (2012). High-Dimensional Bayesian Clustering with Variable Selection: The R Package bclust. Journal of Statistical Software, 47(5), 1-22. URL http://www.jstatsoft.org/v47/i05/.

Corresponding BibTeX entry:

  @Article{,
    title = {High-Dimensional Bayesian Clustering with Variable
      Selection: The {R} Package {bclust}},
    author = {Vahid Partovi Nia and Anthony C. Davison},
    journal = {Journal of Statistical Software},
    year = {2012},
    volume = {47},
    number = {5},
    pages = {1--22},
    url = {http://www.jstatsoft.org/v47/i05/},
  }