APA (7th ed.) Citation

National Gallery of Art (U.S.). (1968). National Gallery Washington. Newsweek, Great Museums of the World.

Chicago Style (17th ed.) Citation

National Gallery of Art (U.S.). National Gallery Washington. New York: Newsweek, Great Museums of the World, 1968.

MLA (9th ed.) Citation

National Gallery of Art (U.S.). National Gallery Washington. Newsweek, Great Museums of the World, 1968.

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