Style de citation APA (7e éd.)

Gerken, H. K. (2009). The Democracy Index: Why Our Election System Is Failing and How to Fix It. Princeton University Press.

Style de citation Chicago (17e éd.)

Gerken, Heather K. The Democracy Index: Why Our Election System Is Failing and How to Fix It. Princeton: Princeton University Press, 2009.

Style de citation MLA (8e éd.)

Gerken, Heather K. The Democracy Index: Why Our Election System Is Failing and How to Fix It. Princeton University Press, 2009.