APA (7th ed.) Citation

Rohmann, C. (1999). A world of ideas: A dictionary of important theories, concepts, beliefs, and thinkers. Ballantine Books.

Chicago Style (17th ed.) Citation

Rohmann, Chris. A World of Ideas: A Dictionary of Important Theories, Concepts, Beliefs, and Thinkers. New York: Ballantine Books, 1999.

MLA (9th ed.) Citation

Rohmann, Chris. A World of Ideas: A Dictionary of Important Theories, Concepts, Beliefs, and Thinkers. Ballantine Books, 1999.