APA (7th ed.) Citation

Cain, M. L., Bowman, W. D., & Hacker, S. D. (2008). Ecology.

Chicago Style (17th ed.) Citation

Cain, Michaell L., William D. Bowman, and Sally D. Hacker. Ecology. 2008.

MLA (9th ed.) Citation

Cain, Michaell L., et al. Ecology. 2008.