APA

Embretson S. E., Reise S. P. & Psychology Press. (2009). Item response theory for psychologists. New York: Psychology Press.

Chicago

Embretson Susan E, Reise Steven Paul and Psychology Press. 2009. Item response theory for psychologists. New York: Psychology Press.

Harvard

Embretson S. E., Reise S. P. and Psychology Press. (2009). Item response theory for psychologists. New York: Psychology Press.

MLA

Embretson Susan E, Reise Steven Paul and Psychology Press. Item response theory for psychologists. New York: Psychology Press. 2009.