APA (7th ed.) Citation

Friedman, T. L. (2005). The world is flat: The globalized world in the twenty-first century. Farrar, Straus and Giroux.

Chicago Style (17th ed.) Citation

Friedman, Thomas L. The World Is Flat: The Globalized World in the Twenty-first Century. New York: Farrar, Straus and Giroux, 2005.

MLA (8th ed.) Citation

Friedman, Thomas L. The World Is Flat: The Globalized World in the Twenty-first Century. Farrar, Straus and Giroux, 2005.