To cite DPpackage in publications use:

Alejandro Jara, Timothy Hanson, Fernando Quintana, Peter Mueller, Gary Rosner (2011). DPpackage: Bayesian Semi- and Nonparametric Modeling in R. Journal of Statistical Software, 40(5), 1-30. URL http://www.jstatsoft.org/v40/i05/.

Alejandro Jara (2007). Applied Bayesian Non- and Semi-parametric Inference Using DPpackage. R News 7(3), 17-26. URL http://CRAN.R-project.org/doc/Rnews/

Corresponding BibTeX entries:

  @Article{,
    title = {{DPpackage}: Bayesian Semi- and Nonparametric Modeling in
      {R}},
    author = {Alejandro Jara and Timothy Hanson and Fernando Quintana
      and Peter M\"uller and Gary Rosner},
    journal = {Journal of Statistical Software},
    year = {2011},
    volume = {40},
    number = {5},
    pages = {1--30},
    url = {http://www.jstatsoft.org/v40/i05/},
  }
  @Article{,
    title = {Applied {B}ayesian Non- and Semi-parametric Inference
      Using {DPpackage}},
    author = {Alejandro Jara},
    journal = {R News},
    year = {2007},
    volume = {7},
    number = {3},
    pages = {17--26},
    url = {http://CRAN.R-project.org/doc/Rnews/},
  }