APA (7th ed.) Citation

Gregory, R. J. (1996). Psychological testing: History, principles, and applications (2. ed.). Allyn and Bacon.

Chicago Style (17th ed.) Citation

Gregory, Robert J. Psychological Testing: History, Principles, and Applications. 2. ed. Boston, Mass. [u.a.]: Allyn and Bacon, 1996.

MLA (9th ed.) Citation

Gregory, Robert J. Psychological Testing: History, Principles, and Applications. 2. ed. Allyn and Bacon, 1996.