APA (7th ed.) Citation

Engler, B. (2009). Personality theories: An introduction (Eigth edition.). Houghton Mifflin Harcourt Publishing Company.

Chicago Style (17th ed.) Citation

Engler, Barbara. Personality Theories: An Introduction. Eigth edition. Boston, MA: Houghton Mifflin Harcourt Publishing Company, 2009.

MLA (9th ed.) Citation

Engler, Barbara. Personality Theories: An Introduction. Eigth edition. Houghton Mifflin Harcourt Publishing Company, 2009.