Citazione Stile APA (7a Edizione)
Gerken, H. K. (2009). The democracy index: Why our election system is failing and how to fix it. Princeton University Press.
Citazione stile Chigago Style (17a edizione)
Gerken, Heather K. The Democracy Index: Why Our Election System Is Failing and How to Fix It. Princeton: Princeton University Press, 2009.
Citatione MLA (9a ed.)
Gerken, Heather K. The Democracy Index: Why Our Election System Is Failing and How to Fix It. Princeton University Press, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.