Santayana, G. (1955). The sense of beauty. Random House.
Cita Chicago Style (17a ed.)Santayana, George. The Sense of Beauty. New York: Random House, 1955.
Cita MLA (9a ed.)Santayana, George. The Sense of Beauty. Random House, 1955.
Precaución: Estas citas no son 100% exactas.