APA (7th ed.) Citation

Santayana, G. (1967). Some turns of thought in modern philosophy: Five essays. Books for Libraries Press.

Chicago Style (17th ed.) Citation

Santayana, George. Some Turns of Thought in Modern Philosophy: Five Essays. Freeport, N.Y: Books for Libraries Press, 1967.

MLA (9th ed.) Citation

Santayana, George. Some Turns of Thought in Modern Philosophy: Five Essays. Books for Libraries Press, 1967.

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