To cite mixsmsn in publications use:

Marcos Oliveira Prates, Celso Rômulo Barbosa Cabral, Víctor Hugo Lachos (2013). “mixsmsn: Fitting Finite Mixture of Scale Mixture of Skew-Normal Distributions.” Journal of Statistical Software, 54(12), 1–20. https://doi.org/10.18637/jss.v054.i12.

Corresponding BibTeX entry:

  @Article{,
    title = {{mixsmsn}: Fitting Finite Mixture of Scale Mixture of
      Skew-Normal Distributions},
    author = {{Marcos Oliveira Prates} and {Celso R{\^o}mulo Barbosa
      Cabral} and {V{\'i}ctor Hugo Lachos}},
    journal = {Journal of Statistical Software},
    year = {2013},
    volume = {54},
    number = {12},
    pages = {1--20},
    url = {https://doi.org/10.18637/jss.v054.i12},
  }