Cita APA (7th ed.)
Duncan, H. (1986). Evolution: True or false? (ed.). Lubbock, Texas.
Cita Chicago (17th ed.)
Duncan, Homer. Evolution: True or False? ed. Mc international publications: Lubbock, Texas, 1986.
Cita MLA (9th ed.)
Duncan, Homer. Evolution: True or False? ed. Lubbock, Texas, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.