Cita APA (7th ed.)

Sagan, C. (1979). Broca's brain: Reflections on the romance of science. Random House.

Cita Chicago (17th ed.)

Sagan, Carl. Broca's Brain: Reflections on the Romance of Science. New York: Random House, 1979.

Cita MLA (9th ed.)

Sagan, Carl. Broca's Brain: Reflections on the Romance of Science. Random House, 1979.