To cite bayesclust in publications use:

Vikneswaran Gopal, Claudio Fuentes, George Casella (2012). bayesclust: An R Package for Testing and Searching for Significant Clusters. Journal of Statistical Software, 47(14), 1-21. URL http://www.jstatsoft.org/v47/i14/.

Corresponding BibTeX entry:

  @Article{,
    title = {{bayesclust}: An {R} Package for Testing and Searching for
      Significant Clusters},
    author = {Vikneswaran Gopal and Claudio Fuentes and George
      Casella},
    journal = {Journal of Statistical Software},
    year = {2012},
    volume = {47},
    number = {14},
    pages = {1--21},
    url = {http://www.jstatsoft.org/v47/i14/},
  }