Cita APA (7a ed.)

Friedman, T. L. (2008). Hot, flat, and crowded: Why we need a green revolution-- and how it can renew America. Farrar, Straus and Giroux.

Cita Chicago Style (17a ed.)

Friedman, Thomas L. Hot, Flat, and Crowded: Why We Need a Green Revolution-- and How It Can Renew America. New York: Farrar, Straus and Giroux, 2008.

Cita MLA (8a ed.)

Friedman, Thomas L. Hot, Flat, and Crowded: Why We Need a Green Revolution-- and How It Can Renew America. Farrar, Straus and Giroux, 2008.

Precaución: Estas citas no son 100% exactas.