Cita APA (7a ed.)

Ridley, M. (1996). Evolution (2nd. ed.). Blackwell Science.

Cita Chicago Style (17a ed.)

Ridley, Mark. Evolution. 2nd. ed. Cambridge: Blackwell Science, 1996.

Cita MLA (8a ed.)

Ridley, Mark. Evolution. 2nd. ed. Blackwell Science, 1996.