Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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