Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Sagan, C. (1978). The dragons of Eden: Speculations on the evolution of human intelligence. Ballantine Books.

Chicago Citation Edition Citation

Sagan, Carl. The Dragons of Eden: Speculations on the Evolution of Human Intelligence. New York: Ballantine Books, 1978.

MLA Citation Edition Citation

Sagan, Carl. The Dragons of Eden: Speculations on the Evolution of Human Intelligence. Ballantine Books, 1978.