Levitt, S. D. (2005). Freakonomics: A rouge economist explores the hidden side of everything. Penguin Group.
Čikaški stil citiranja (17. izdanje)Levitt, Steven D. Freakonomics: A Rouge Economist Explores the Hidden Side of Everything. New York: Penguin Group, 2005.
MLA način citiranja (9. izdanje)Levitt, Steven D. Freakonomics: A Rouge Economist Explores the Hidden Side of Everything. Penguin Group, 2005.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.