APA (7th ed.) Citation

Gregory, R. J. (2011). Psychological Testing: History, principles, and applications (Sixth Edition.). Allyn & Bacon.

Chicago Style (17th ed.) Citation

Gregory, Robert J. Psychological Testing: History, Principles, and Applications. Sixth Edition. Boston: Allyn & Bacon, 2011.

MLA (8th ed.) Citation

Gregory, Robert J. Psychological Testing: History, Principles, and Applications. Sixth Edition. Allyn & Bacon, 2011.

Warning: These citations may not always be 100% accurate.