Cita APA

Audesirk, T., Audesirk, G., & Byers, B. E. (2011). Biology: Life on earth (Ninth edition.). Benjamin Cummings.

Citación estilo Chicago

Audesirk, Teresa., Gerald Audesirk, and Bruce E. Byers. Biology: Life on Earth. Ninth edition. San Francisco, California: Benjamin Cummings, 2011.

Cita MLA

Audesirk, Teresa., et al. Biology: Life on Earth. Ninth edition. Benjamin Cummings, 2011.