To cite ICS in publications use:
Nordhausen K, Oja H, Tyler DE (2008). “Tools for Exploring Multivariate Data: The Package ICS.” Journal of Statistical Software, 28(6), 1–31. doi:10.18637/jss.v028.i06.
Corresponding BibTeX entry:
@Article{, title = {Tools for Exploring Multivariate Data: The Package {ICS}}, author = {Klaus Nordhausen and Hannu Oja and David E. Tyler}, year = {2008}, journal = {Journal of Statistical Software}, volume = {28}, number = {6}, pages = {1--31}, doi = {10.18637/jss.v028.i06}, }