APA (7th ed.) Citation

Penn, I., Heckert, V., & Lacoste, A. (2009). Irving Penn: Small trades. J. Paul Getty Museum.

Chicago Style (17th ed.) Citation

Penn, Irving, Virginia Heckert, and Anne Lacoste. Irving Penn: Small Trades. Los Angeles: J. Paul Getty Museum, 2009.

MLA (9th ed.) Citation

Penn, Irving, et al. Irving Penn: Small Trades. J. Paul Getty Museum, 2009.