APA (7th ed.) Citation

National Gallery of Art (Washington, DC). (1971). A brief guide to the National Gallery of Art of the United States of America. National Gallery of Art.

Chicago Style (17th ed.) Citation

National Gallery of Art (Washington, DC). A Brief Guide to the National Gallery of Art of the United States of America. Washington <DC>: National Gallery of Art, 1971.

MLA (9th ed.) Citation

National Gallery of Art (Washington, DC). A Brief Guide to the National Gallery of Art of the United States of America. National Gallery of Art, 1971.