Dyfyniad APA

Sagan, C. (1974). Broca's brain: Reflections on the romance of science. Ballantine.

Dyfyniad Arddull Chicago

Sagan, Carl. Broca's Brain: Reflections on the Romance of Science. New York: Ballantine, 1974.

Dyfyniad MLA

Sagan, Carl. Broca's Brain: Reflections on the Romance of Science. Ballantine, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.