Cita APA (7th ed.)

Freeman, S. (2008). Biological science (3rd ed.). Pearson/Benjamin Cummings.

Cita Chicago (17th ed.)

Freeman, Scott. Biological Science. 3rd ed. San Francisco: Pearson/Benjamin Cummings, 2008.

Cita MLA (9th ed.)

Freeman, Scott. Biological Science. 3rd ed. Pearson/Benjamin Cummings, 2008.