APA (7th ed.) Citation

Sagan, C. (2013). Cosmos (Ballantine Books Trade Paperbacks, 2013.). Ballantine.

Chicago Style (17th ed.) Citation

Sagan, Carl. Cosmos. Ballantine Books Trade Paperbacks, 2013. New York: Ballantine, 2013.

MLA (9th ed.) Citation

Sagan, Carl. Cosmos. Ballantine Books Trade Paperbacks, 2013. Ballantine, 2013.

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