APA (7th ed.) Citation

Santayana, G. (1963). Signet. Signet Society.

Chicago Style (17th ed.) Citation

Santayana, George. Signet. [Cambridge, Mass.]: Signet Society, 1963.

MLA (9th ed.) Citation

Santayana, George. Signet. Signet Society, 1963.

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