APA (7th ed.) Citation
Zimmermann, H. (1975). Das Mittelalter: T. 1. 2. Westermann.
Chicago Style (17th ed.) Citation
Zimmermann, Harald. Das Mittelalter: T. 1. 2. Braunschweig: Westermann, 1975.
MLA (9th ed.) Citation
Zimmermann, Harald. Das Mittelalter: T. 1. 2. Westermann, 1975.
Warning: These citations may not always be 100% accurate.