APA (7th ed.) Citation

Enger, E. D., Kormelink, J. R., Ross, F. S., & Smith, R. J. (1994). Concepts in biology (7th ed.). WCBrown.

Chicago Style (17th ed.) Citation

Enger, Eldon D., J. Richard Kormelink, Frederick S. Ross, and Rodney J. Smith. Concepts in Biology. 7th ed. Dubuque, IA: WCBrown, 1994.

MLA (9th ed.) Citation

Enger, Eldon D., et al. Concepts in Biology. 7th ed. WCBrown, 1994.