APA-viite (7. p.)

Engler, B. (1995). Personality theories: An introduction (4th ed.). Houghton Mifflin.

Chicago-viite (17. p.)

Engler, Barbara. Personality Theories: An Introduction. 4th ed. Boston: Houghton Mifflin, 1995.

MLA-viite (9. p.)

Engler, Barbara. Personality Theories: An Introduction. 4th ed. Houghton Mifflin, 1995.