APA (7th ed.) Citation

Santayana, G. (1961). The sense of beauty: Being the outline of aesthetic theory. Collier Books.

Chicago Style (17th ed.) Citation

Santayana, George. The Sense of Beauty: Being the Outline of Aesthetic Theory. New York: Collier Books, 1961.

MLA (9th ed.) Citation

Santayana, George. The Sense of Beauty: Being the Outline of Aesthetic Theory. Collier Books, 1961.