Cita APA (7a ed.)
Friedman, T. L. (2005). The world is flat: A brief history of the twenty-first century. Farrar, Straus and Giroux.
Cita Chicago Style (17a ed.)
Friedman, Thomas L. The World Is Flat: A Brief History of the Twenty-first Century. New York: Farrar, Straus and Giroux, 2005.
Cita MLA (9a ed.)
Friedman, Thomas L. The World Is Flat: A Brief History of the Twenty-first Century. Farrar, Straus and Giroux, 2005.
Precaución: Estas citas no son 100% exactas.