APA (7th ed.) Citation

SIMPSON, G. G. (1951). The Meaning of Evolution. Mentor Book.

Chicago Style (17th ed.) Citation

SIMPSON, George Gaylord. The Meaning of Evolution. Mentor Book, 1951.

MLA (8th ed.) Citation

SIMPSON, George Gaylord. The Meaning of Evolution. Mentor Book, 1951.

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