Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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