Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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