APA Style
Thaler, R., Sunstein, C. (2009).
Nudge: Improving Decisions about Health, Wealth, and Happiness .
America:
Penguin books.
MLA Style
Thaler, Richard., Sunstein, Cass.
"Nudge: Improving Decisions about Health, Wealth, and Happiness".
America:
Penguin books,
2009.
Text.