APA (7th ed.) Citation

Koch, B. (2011). Was spricht für Köln. Möbel, Interior, Design.

Chicago Style (17th ed.) Citation

Koch, Barbara. "Was Spricht Für Köln." Möbel, Interior, Design 2011.

MLA (8th ed.) Citation

Koch, Barbara. "Was Spricht Für Köln." Möbel, Interior, Design, 2011.

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