APA (7th ed.) Citation

Poundstone. Carl Sagan: A life in the cosmos.

Chicago Style (17th ed.) Citation

Poundstone. Carl Sagan: A Life in the Cosmos. New York lbHenry Holt and Company lc1999.

MLA (9th ed.) Citation

Poundstone. Carl Sagan: A Life in the Cosmos.

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