Cita APA

Sagan, C. 1., & Sagan, C. 1. (1979). Broca's brain: Reflections on the romance of Science. New York, New York: Random House.

Citación estilo Chicago

Sagan, Carl 1934-1996, y Carl 1934-1996 Sagan. Broca's Brain: Reflections On the Romance of Science. New York, New York: Random House, 1979.

Cita MLA

Sagan, Carl 1934-1996, y Carl 1934-1996 Sagan. Broca's Brain: Reflections On the Romance of Science. New York, New York: Random House, 1979.