To cite bgmm in publications use:

Biecek P, Szczurek E, Vingron M, Tiuryn J (2012). “The R Package bgmm: Mixture Modeling with Uncertain Knowledge.” Journal of Statistical Software, 47(3), 1–32. http://www.jstatsoft.org/v47/i03/.

Corresponding BibTeX entry:

  @Article{,
    title = {The {R} Package {bgmm}: Mixture Modeling with Uncertain
      Knowledge},
    author = {Przemys{\l}aw Biecek and Ewa Szczurek and Martin Vingron
      and Jerzy Tiuryn},
    journal = {Journal of Statistical Software},
    year = {2012},
    volume = {47},
    number = {3},
    pages = {1--32},
    url = {http://www.jstatsoft.org/v47/i03/},
  }