APA (7th ed.) Citation

Thaler, R. H., & Sunstein, C. R. (2008). Nudge improving decisions about health, wealth, and happiness / Richard H. Thaler, Cass R. Sunstein: Improving decisions about health, wealth, and happiness (Revised and expanded edition.). Penguin Books.

Chicago Style (17th ed.) Citation

Thaler, Richard H., and Cass R. Sunstein. Nudge Improving Decisions About Health, Wealth, and Happiness / Richard H. Thaler, Cass R. Sunstein: Improving Decisions About Health, Wealth, and Happiness. Revised and expanded edition. New York: Penguin Books, 2008.

MLA (9th ed.) Citation

Thaler, Richard H., and Cass R. Sunstein. Nudge Improving Decisions About Health, Wealth, and Happiness / Richard H. Thaler, Cass R. Sunstein: Improving Decisions About Health, Wealth, and Happiness. Revised and expanded edition. Penguin Books, 2008.

Warning: These citations may not always be 100% accurate.