APA (7th ed.) Citation

Sunstein, C. R. (2003). Why societies need dissent. Harvard University Press.

Chicago Style (17th ed.) Citation

Sunstein, Cass R. Why Societies Need Dissent. Cambridge, Mass.: Harvard University Press, 2003.

MLA (9th ed.) Citation

Sunstein, Cass R. Why Societies Need Dissent. Harvard University Press, 2003.