APA (7th ed.) Citation

Simpson, G. G. (1957). Life: An introduction to biology. Harcourt, Brace.

Chicago Style (17th ed.) Citation

Simpson, George Gaylord. Life: An Introduction to Biology. New York: Harcourt, Brace, 1957.

MLA (9th ed.) Citation

Simpson, George Gaylord. Life: An Introduction to Biology. Harcourt, Brace, 1957.