To cite RSKC in publications use:

Kondo Y, Salibian-Barrera M, Zamar R (2016). “RSKC: An R Package for a Robust and Sparse K-Means Clustering Algorithm.” Journal of Statistical Software, 72(5), 1–26. doi:10.18637/jss.v072.i05.

Corresponding BibTeX entry:

  @Article{,
    title = {{RSKC}: An {R} Package for a Robust and Sparse K-Means
      Clustering Algorithm},
    author = {Yumi Kondo and Matias Salibian-Barrera and Ruben Zamar},
    journal = {Journal of Statistical Software},
    year = {2016},
    volume = {72},
    number = {5},
    pages = {1--26},
    doi = {10.18637/jss.v072.i05},
  }