APA (7th ed.) Citation

Engler. (2014). Personality theories: An introduction (9th ed.). Wadsworth.

Chicago Style (17th ed.) Citation

Engler. Personality Theories: An Introduction. 9th ed. Belmont: Wadsworth, 2014.

MLA (8th ed.) Citation

Engler. Personality Theories: An Introduction. 9th ed. Wadsworth, 2014.

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