Cita APA

Levitt, S. D., & Dubner, S. J. (2009). Freakonomics: A rogue economist explores the hidden side of everything. Harper Perennial.

Citación estilo Chicago

Levitt, Steven D., and Stephen J. Dubner. Freakonomics: A Rogue Economist Explores the Hidden Side of Everything. New York: Harper Perennial, 2009.

Cita MLA

Levitt, Steven D., and Stephen J. Dubner. Freakonomics: A Rogue Economist Explores the Hidden Side of Everything. Harper Perennial, 2009.