APA (7th ed.) Citation

Engler. (2003). Personality theories an introduction (6th ed.). Houghton Mifflin Company.

Chicago Style (17th ed.) Citation

Engler. Personality Theories an Introduction. 6th ed. Boston: Houghton Mifflin Company, 2003.

MLA (8th ed.) Citation

Engler. Personality Theories an Introduction. 6th ed. Houghton Mifflin Company, 2003.

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