APA (7th ed.) Citation

Hockney, D. (2001). Secret knowledge: Rediscovering the lost techniques of the Old Masters. Viking Studio.

Chicago Style (17th ed.) Citation

Hockney, David. Secret Knowledge: Rediscovering the Lost Techniques of the Old Masters. New York: Viking Studio, 2001.

MLA (9th ed.) Citation

Hockney, David. Secret Knowledge: Rediscovering the Lost Techniques of the Old Masters. Viking Studio, 2001.

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