APA (7th ed.) Citation

Ai, W., & Obrist, H. U. (2011). Ai Weiwei speaks: With Hans Ulrich Obrist. Penguin.

Chicago Style (17th ed.) Citation

Ai, Weiwei, and Hans Ulrich Obrist. Ai Weiwei Speaks: With Hans Ulrich Obrist. London: Penguin, 2011.

MLA (9th ed.) Citation

Ai, Weiwei, and Hans Ulrich Obrist. Ai Weiwei Speaks: With Hans Ulrich Obrist. Penguin, 2011.

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