Cita APA

Friedman, T. L., & Mandelbaum, M. (2011). That used to be us: How America fell behind in the world it invented and how we can come back. Farrar, Straus and Giroux.

Citación estilo Chicago

Friedman, Thomas L., y Michael Mandelbaum. That Used to Be Us: How America Fell Behind in the World It Invented and How We Can Come Back. New York: Farrar, Straus and Giroux, 2011.

Cita MLA

Friedman, Thomas L., y Michael Mandelbaum. That Used to Be Us: How America Fell Behind in the World It Invented and How We Can Come Back. Farrar, Straus and Giroux, 2011.