Citazione Stile APA (7a Edizione)

Levitt, S. D. (2005). Freakonomics: A rouge economist explores the hidden side of everything. Penguin Group.

Citazione stile Chigago Style (17a edizione)

Levitt, Steven D. Freakonomics: A Rouge Economist Explores the Hidden Side of Everything. New York: Penguin Group, 2005.

Citatione MLA (9a ed.)

Levitt, Steven D. Freakonomics: A Rouge Economist Explores the Hidden Side of Everything. Penguin Group, 2005.