Cita APA

Bowman, W. D., Cain, M. L., & Hacker, S. D. (2011). Ecology (Second.).

Citación estilo Chicago

Bowman, William D., Michael L. Cain, and Sally D. Hacker. Ecology. Second. Massachusets, Sinauer Associates, 2011.

Cita MLA

Bowman, William D., et al. Ecology. Second. 2011.