To cite PReMiuM in publications use:

Silvia Liverani, David I. Hastie, Lamiae Azizi, Michail Papathomas, Sylvia Richardson (2015). PReMiuM: An R Package for Profile Regression Mixture Models Using Dirichlet Processes. Journal of Statistical Software, 64(7), 1-30. URL http://www.jstatsoft.org/v64/i07/.

Corresponding BibTeX entry:

  @Article{,
    title = {{PReMiuM}: An {R} Package for Profile Regression Mixture
      Models Using Dirichlet Processes},
    author = {Silvia Liverani and David I. Hastie and Lamiae Azizi and
      Michail Papathomas and Sylvia Richardson},
    journal = {Journal of Statistical Software},
    year = {2015},
    volume = {64},
    number = {7},
    pages = {1--30},
    url = {http://www.jstatsoft.org/v64/i07/},
  }