Cita APA (7th ed.)

Ridley, M. (2007). Evolution (2nd ed.). Oxford University Press.

Cita Chicago (17th ed.)

Ridley, Mark. Evolution. 2nd ed. New York: Oxford University Press, 2007.

Cita MLA (9th ed.)

Ridley, Mark. Evolution. 2nd ed. Oxford University Press, 2007.