APA (7th ed.) Citation

Stadt Köln & Brambring, K. . u. (1967). Köln. Greven.

Chicago Style (17th ed.) Citation

Stadt Köln and Karl u.a Brambring. Köln. Köln: Greven, 1967.

MLA (8th ed.) Citation

Stadt Köln and Karl u.a Brambring. Köln. Greven, 1967.

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