APA (7th ed.) Citation

Simpson, G. G. (1965). Life: An introduction to biology. Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Simpson, George Gaylord. Life: An Introduction to Biology. New York: Harcourt, Brace & World, 1965.

MLA (9th ed.) Citation

Simpson, George Gaylord. Life: An Introduction to Biology. Harcourt, Brace & World, 1965.

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