APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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