APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.