Cita APA

Levitt, S. D., & Steven D. Levitt; Stephen J. Dubner. (2006). Freakonmics: A rogue economist, explores the hidden, side of everything. London: Penguin.

Chicago Style Citation

Levitt, Steven D., i Steven D. Levitt; Stephen J. Dubner. Freakonmics: A Rogue Economist, Explores the Hidden, Side of Everything. London: Penguin, 2006.

Cita MLA

Levitt, Steven D., i Steven D. Levitt; Stephen J. Dubner. Freakonmics: A Rogue Economist, Explores the Hidden, Side of Everything. London: Penguin, 2006.