APA (7th ed.) Citation

Ono, Y., & Obrist, H. U. (2009). Yoko Ono, Hans Ulrich Obrist. König.

Chicago Style (17th ed.) Citation

Ono, Yōko, and Hans Ulrich Obrist. Yoko Ono, Hans Ulrich Obrist. Köln: König, 2009.

MLA (9th ed.) Citation

Ono, Yōko, and Hans Ulrich Obrist. Yoko Ono, Hans Ulrich Obrist. König, 2009.

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