APA (7th ed.) Citation

Weisman, A. (2013). Countdown: Our last, best hope for a future on Earth? (First edition.). Little, Brown and Company.

Chicago Style (17th ed.) Citation

Weisman, Alan. Countdown: Our Last, Best Hope for a Future on Earth? First edition. New York: Little, Brown and Company, 2013.

MLA (8th ed.) Citation

Weisman, Alan. Countdown: Our Last, Best Hope for a Future on Earth? First edition. Little, Brown and Company, 2013.