APA (7th ed.) Citation

Koopmans, R., & Zimmermann, A. (2003). Internet: A new potential for European political communication? WZB.

Chicago Style (17th ed.) Citation

Koopmans, Ruud, and Ann Zimmermann. Internet: A New Potential for European Political Communication? Berlin: WZB, 2003.

MLA (9th ed.) Citation

Koopmans, Ruud, and Ann Zimmermann. Internet: A New Potential for European Political Communication? WZB, 2003.

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