Cita APA (7a ed.)

Darwin, C., & Comfort, R. (2009). The origin of species (150th anniversary ed.). Bridge Logos Foundation.

Cita Chicago Style (17a ed.)

Darwin, Charles, y Ray Comfort. The Origin of Species. 150th anniversary ed. Alachua, Fla: Bridge Logos Foundation, 2009.

Cita MLA (9a ed.)

Darwin, Charles, y Ray Comfort. The Origin of Species. 150th anniversary ed. Bridge Logos Foundation, 2009.