APA (7th ed.) Citation

Simpson, G. G., & Beck, W. S. (1965). Life: An introduction to biology (2nd ed.). Routledge & Kegan Paul.

Chicago Style (17th ed.) Citation

Simpson, George Gaylord, and William S. Beck. Life: An Introduction to Biology. 2nd ed. London: Routledge & Kegan Paul, 1965.

MLA (8th ed.) Citation

Simpson, George Gaylord, and William S. Beck. Life: An Introduction to Biology. 2nd ed. Routledge & Kegan Paul, 1965.