APA
Siegel S., Castellan N. J. J., . (1988). Nonparametric statistics for the behavioral sciences. New York, N.Y: McGraw-Hill.
Chicago
Siegel Sidney, Castellan N John Jr, . 1988. Nonparametric statistics for the behavioral sciences. New York, N.Y: McGraw-Hill.
Harvard
Siegel S., Castellan N. J. J., . (1988). Nonparametric statistics for the behavioral sciences. New York, N.Y: McGraw-Hill.
MLA
Siegel Sidney, Castellan N John Jr, . Nonparametric statistics for the behavioral sciences. New York, N.Y: McGraw-Hill. 1988.