To cite nparLD in publications use:
Kimihiro Noguchi, Yulia R. Gel, Edgar Brunner, Frank Konietschke (2012). nparLD: An R Software Package for the Nonparametric Analysis of Longitudinal Data in Factorial Experiments. Journal of Statistical Software, 50(12), 1-23. URL http://www.jstatsoft.org/v50/i12/.
Corresponding BibTeX entry:
@Article{, title = {{nparLD}: An {R} Software Package for the Nonparametric Analysis of Longitudinal Data in Factorial Experiments}, author = {Kimihiro Noguchi and Yulia R. Gel and Edgar Brunner and Frank Konietschke}, journal = {Journal of Statistical Software}, year = {2012}, volume = {50}, number = {12}, pages = {1--23}, url = {http://www.jstatsoft.org/v50/i12/}, }