APA (7th ed.) Citation

Burdach, K., & Burdach, K. (1925). Mittelalter. Niemeyer.

Chicago Style (17th ed.) Citation

Burdach, Konrad, and Konrad Burdach. Mittelalter. Halle/ Saale: Niemeyer, 1925.

MLA (8th ed.) Citation

Burdach, Konrad, and Konrad Burdach. Mittelalter. Niemeyer, 1925.

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