APA (7th ed.) Citation

Simpson, G. G., & Beck, W. S. (1969). Life: An introduction to biology (Shorter ed.). Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Simpson, George Gaylord, and William S. Beck. Life: An Introduction to Biology. Shorter ed. New York: Harcourt, Brace & World, 1969.

MLA (8th ed.) Citation

Simpson, George Gaylord, and William S. Beck. Life: An Introduction to Biology. Shorter ed. Harcourt, Brace & World, 1969.