Cita APA (7th ed.)
Mader, S. S. (1990). Biology (3rd ed.). WCB.
Cita Chicago (17th ed.)
Mader, Sylvia S. Biology. 3rd ed. Boulevard: WCB, 1990.
Cita MLA (9th ed.)
Mader, Sylvia S. Biology. 3rd ed. WCB, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.