Cita APA (7a ed.)

Freeman, S. (2011). Biological science (4th ed.). Benjamin Cummings.

Cita Chicago Style (17a ed.)

Freeman, Scott. Biological Science. 4th ed. Boston: Benjamin Cummings, 2011.

Cita MLA (8a ed.)

Freeman, Scott. Biological Science. 4th ed. Benjamin Cummings, 2011.