APA

Siegel S., . (1988). Nonparametric statistics for the behavioral sciences. New York: McGraw-Hill Book Co.

Chicago

Siegel Sidney, . 1988. Nonparametric statistics for the behavioral sciences. New York: McGraw-Hill Book Co.

Harvard

Siegel S., . (1988). Nonparametric statistics for the behavioral sciences. New York: McGraw-Hill Book Co.

MLA

Siegel Sidney, . Nonparametric statistics for the behavioral sciences. New York: McGraw-Hill Book Co. 1988.