To cite kohonen in publications use:
Wehrens R, Kruisselbrink J (2018). “Flexible Self-Organizing Maps in kohonen 3.0.” Journal of Statistical Software, 87(7), 1–18. doi:10.18637/jss.v087.i07.
Wehrens R, Buydens LMC (2007). “Self- and Super-Organizing Maps in R: The kohonen Package.” Journal of Statistical Software, 21(5), 1–19. doi:10.18637/jss.v021.i05.
Corresponding BibTeX entries:
@Article{, title = {Flexible Self-Organizing Maps in {kohonen} 3.0}, author = {Ron Wehrens and Johannes Kruisselbrink}, journal = {Journal of Statistical Software}, year = {2018}, volume = {87}, number = {7}, pages = {1--18}, doi = {10.18637/jss.v087.i07}, }
@Article{, title = {Self- and Super-Organizing Maps in {R}: The {kohonen} Package}, author = {Ron Wehrens and Lutgarde M. C. Buydens}, journal = {Journal of Statistical Software}, year = {2007}, volume = {21}, number = {5}, pages = {1--19}, doi = {10.18637/jss.v021.i05}, }