APA (7th ed.) Citation
Levitt, S. D., & Dubner, S. J. (2006). Freakonomics: <a> rogue economist explores the hidden side of everything. Penguin Books.
Chicago Style (17th ed.) Citation
Levitt, Steven D., and Stephen J. Dubner. Freakonomics: <a> Rogue Economist Explores the Hidden Side of Everything. London: Penguin Books, 2006.
MLA (9th ed.) Citation
Levitt, Steven D., and Stephen J. Dubner. Freakonomics: <a> Rogue Economist Explores the Hidden Side of Everything. Penguin Books, 2006.
Warning: These citations may not always be 100% accurate.