APA (7th ed.) Citation

(2007). Psychological testing: History, principles, and applications / Robert J. Gregory.

Chicago Style (17th ed.) Citation

Psychological Testing: History, Principles, and Applications / Robert J. Gregory. 2007.

MLA (9th ed.) Citation

Psychological Testing: History, Principles, and Applications / Robert J. Gregory. 2007.

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