Citazione Stile APA (7a Edizione)

Klingemann, H., & Wessels, B. (1999). Political Consequences of Germany's Mixed-Member System: Personalization at the Grass-Roots?

Citazione stile Chigago Style (17a edizione)

Klingemann, Hans-Dieter, e Bernhard Wessels. Political Consequences of Germany's Mixed-Member System: Personalization at the Grass-Roots? Berlin, 1999.

Citatione MLA (8a ed.)

Klingemann, Hans-Dieter, e Bernhard Wessels. Political Consequences of Germany's Mixed-Member System: Personalization at the Grass-Roots? 1999.