Citazione Stile APA (7a Edizione)

Weisman, A. (2013). Countdown: Our Last, Best Hope for a future on earth? Little Brown.

Citazione stile Chigago Style (17a edizione)

Weisman, Alan. Countdown: Our Last, Best Hope for a Future on Earth? London: Little Brown, 2013.

Citatione MLA (9a ed.)

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