To cite MNM in publications use:

Nordhausen K, Oja H (2011). “Multivariate $L_1$ Methods: The Package MNM.” Journal of Statistical Software, 43(5), 1–28. doi:10.18637/jss.v043.i05.

Corresponding BibTeX entry:

  @Article{,
    title = {Multivariate $L_1$ Methods: The Package {MNM}},
    author = {Klaus Nordhausen and Hannu Oja},
    journal = {Journal of Statistical Software},
    year = {2011},
    volume = {43},
    number = {5},
    pages = {1--28},
    doi = {10.18637/jss.v043.i05},
  }