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