Engler, B. (1999). Personality theories: An introduction (5th ed.). Houghton-Mifflin.
Chicago Style (17th ed.) CitationEngler, Barbara. Personality Theories: An Introduction. 5th ed. Boston: Houghton-Mifflin, 1999.
MLA (9th ed.) CitationEngler, Barbara. Personality Theories: An Introduction. 5th ed. Houghton-Mifflin, 1999.
Warning: These citations may not always be 100% accurate.