APA (7th ed.) Citation

Simpson, G. G., & Beck, W. S. (1965). Life, an introduction to biology. Harcourt, Brace r World.

Chicago Style (17th ed.) Citation

Simpson, George Gaylord, and William S. Beck. Life, an Introduction to Biology. Harcourt, Brace r World, 1965.

MLA (8th ed.) Citation

Simpson, George Gaylord, and William S. Beck. Life, an Introduction to Biology. Harcourt, Brace r World, 1965.