APA (7th ed.) Citation

Santayana, G., & Edman, I. (1942). The philosophy of Santayana. The Modern Library.

Chicago Style (17th ed.) Citation

Santayana, George, and Irwin Edman. The Philosophy of Santayana. New York: The Modern Library, 1942.

MLA (9th ed.) Citation

Santayana, George, and Irwin Edman. The Philosophy of Santayana. The Modern Library, 1942.

Warning: These citations may not always be 100% accurate.