APA (7th ed.) Citation

Santayana, G. (2006). Winds Of Doctrine Studies in Contemporary Opinion. Project Gutenberg.

Chicago Style (17th ed.) Citation

Santayana, George. Winds Of Doctrine Studies in Contemporary Opinion. Project Gutenberg, 2006.

MLA (9th ed.) Citation

Santayana, George. Winds Of Doctrine Studies in Contemporary Opinion. Project Gutenberg, 2006.

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