APA (7th ed.) Citation

Sunstein, C. R. (2014). Why nudge?: The politics of libertarian paternalism. Yale university.

Chicago Style (17th ed.) Citation

Sunstein, Cass R. Why Nudge?: The Politics of Libertarian Paternalism. USA: Yale university, 2014.

MLA (8th ed.) Citation

Sunstein, Cass R. Why Nudge?: The Politics of Libertarian Paternalism. Yale university, 2014.

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