APA (7th ed.) Citation

National Gallery of Art (U.S.), Smart, T., & Gibbon, D. (1979). Art masterpieces of the National Gallery of Art, Washington. Crescent Books.

Chicago Style (17th ed.) Citation

National Gallery of Art (U.S.), Ted Smart, and David Gibbon. Art Masterpieces of the National Gallery of Art, Washington. New York: Crescent Books, 1979.

MLA (9th ed.) Citation

National Gallery of Art (U.S.), et al. Art Masterpieces of the National Gallery of Art, Washington. Crescent Books, 1979.