APA (7th ed.) Citation

Osborne, H. (1953). Theory of beauty: An introduction to aesthetics. Philosophical Library.

Chicago Style (17th ed.) Citation

Osborne, Harold. Theory of Beauty: An Introduction to Aesthetics. New York: Philosophical Library, 1953.

MLA (9th ed.) Citation

Osborne, Harold. Theory of Beauty: An Introduction to Aesthetics. Philosophical Library, 1953.