APA-Zitierstil (7. Ausg.)

Engler, B. (2014). Personality theories: An introduction (9th ed.). Wadsworth/Cengage Learning.

Chicago-Zitierstil (17. Ausg.)

Engler, Barbara. Personality Theories: An Introduction. 9th ed. Australia: Wadsworth/Cengage Learning, 2014.

MLA-Zitierstil (9. Ausg.)

Engler, Barbara. Personality Theories: An Introduction. 9th ed. Wadsworth/Cengage Learning, 2014.