APA (7th ed.) Citation

Greenspan, A. (2008). The age of turbulence: Adventures in a new world. Penguin Books.

Chicago Style (17th ed.) Citation

Greenspan, Alan. The Age of Turbulence: Adventures in a New World. London: Penguin Books, 2008.

MLA (9th ed.) Citation

Greenspan, Alan. The Age of Turbulence: Adventures in a New World. Penguin Books, 2008.

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