Citazione Stile APA (7a Edizione)

Greenspan, A. (2007). The age of turbulence: Adventures in a new world. Penguin Press.

Citazione stile Chigago Style (17a edizione)

Greenspan, Alan. The Age of Turbulence: Adventures in a New World. New York: Penguin Press, 2007.

Citatione MLA (8a ed.)

Greenspan, Alan. The Age of Turbulence: Adventures in a New World. Penguin Press, 2007.