APA (7th ed.) Citation

Kuffner, A. (2007). Zeitreiseführer Eifel 1933 - 1945. Helios.

Chicago Style (17th ed.) Citation

Kuffner, Alexander. Zeitreiseführer Eifel 1933 - 1945. Aachen: Helios, 2007.

MLA (8th ed.) Citation

Kuffner, Alexander. Zeitreiseführer Eifel 1933 - 1945. Helios, 2007.