Cita APA (7a ed.)

Thaler, R. H., & Sunstein, C. R. (2009). Nudge: Improving decisions about health, wealth, and happiness. Penguin Books.

Cita Chicago Style (17a ed.)

Thaler, Richard H., y Cass R. Sunstein. Nudge: Improving Decisions About Health, Wealth, and Happiness. New York: Penguin Books, 2009.

Cita MLA (8a ed.)

Thaler, Richard H., y Cass R. Sunstein. Nudge: Improving Decisions About Health, Wealth, and Happiness. Penguin Books, 2009.