APA (7th ed.) Citation

SIMPSON, G. G. (1965). Life - An introduction to biology - George Gaylord Simpson, William S. Beck. Harcourt Brace & World Inc.

Chicago Style (17th ed.) Citation

SIMPSON, George Gaylord. Life - An Introduction to Biology - George Gaylord Simpson, William S. Beck. Harcourt Brace & World Inc, 1965.

MLA (8th ed.) Citation

SIMPSON, George Gaylord. Life - An Introduction to Biology - George Gaylord Simpson, William S. Beck. Harcourt Brace & World Inc, 1965.

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