APA (7th ed.) Citation

Wallace, R. A., Sanders, G. P., & Ferl, R. J. (1996). Biology: The science of life (4th ed.). Harper Collins.

Chicago Style (17th ed.) Citation

Wallace, Robert A., Gerald P. Sanders, and Robert J. Ferl. Biology: The Science of Life. 4th ed. New York: Harper Collins, 1996.

MLA (8th ed.) Citation

Wallace, Robert A., et al. Biology: The Science of Life. 4th ed. Harper Collins, 1996.