To cite rcdk in publications use:
Guha, R. (2007). 'Chemical Informatics Functionality in R'. Journal of Statistical Software 6(18)
Corresponding BibTeX entry:
@Article{, author = {Rajarshi Guha}, journal = {Journal of Statistical Software}, number = {6}, title = {Chemical Informatics Functionality in R}, volume = {18}, year = {2007}, }