APA Style

Levitt, S, D., Dubner, S, J. (2009). Freakonomics: A Rogue Economist Explores the Hidden Side of Everything (International Ed.). : William Morrow Paperbacks.

MLA Style

Levitt, Steven, D.., Dubner, Stephen, J.. "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything". International Ed. : William Morrow Paperbacks, 2009. Text.