APA (7e ed.) Bronvermelding

Engler, B. (1985). Personality Theories: An introduction (2nd ed.). Houghton Mifflin Company.

Chicago (17e ed.) Bronvermelding

Engler, Barbara. Personality Theories: An Introduction. 2nd ed. Boston: Houghton Mifflin Company, 1985.

MLA (9e ed.) Bronvermelding

Engler, Barbara. Personality Theories: An Introduction. 2nd ed. Houghton Mifflin Company, 1985.

Let op: Deze citaties zijn niet altijd 100% accuraat.