APA (7th ed.) Citation

Vogts, H., & Stadt Köln. (1948). Köln. Bachem.

Chicago Style (17th ed.) Citation

Vogts, Hans, and Stadt Köln. Köln. Köln: Bachem, 1948.

MLA (8th ed.) Citation

Vogts, Hans, and Stadt Köln. Köln. Bachem, 1948.

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