APA (7th ed.) Citation

Engle, T. L. (1969). Psychology: Its principles and applications (5th ed.). Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Engle, Thelburn Laroy. Psychology: Its Principles and Applications. 5th ed. New York: Harcourt, Brace & World, 1969.

MLA (9th ed.) Citation

Engle, Thelburn Laroy. Psychology: Its Principles and Applications. 5th ed. Harcourt, Brace & World, 1969.