APA (7th ed.) Citation

Schilpp, P. A. (1940). The philosophy of George Santayana / edited by Paul Arthur Schilpp. Northwestern University.

Chicago Style (17th ed.) Citation

Schilpp, Paul Arthur. The Philosophy of George Santayana / Edited by Paul Arthur Schilpp. Northwestern University, 1940.

MLA (9th ed.) Citation

Schilpp, Paul Arthur. The Philosophy of George Santayana / Edited by Paul Arthur Schilpp. Northwestern University, 1940.

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