Cita APA (7th ed.)
Cain, M. L. (2007). Discover biology (3rd ed.). W.W. Norton & Co..
Cita Chicago (17th ed.)
Cain, Michael L. Discover Biology. 3rd ed. New York: W.W. Norton & Co., 2007.
Cita MLA (9th ed.)
Cain, Michael L. Discover Biology. 3rd ed. W.W. Norton & Co., 2007.
Atenció: Aquestes cites poden no estar 100% correctes.