APA (7th ed.) Citation

(1969). A Brief Guide to the National Gallery of Art: Washington D.C. U. S. Government Printing Office.

Chicago Style (17th ed.) Citation

A Brief Guide to the National Gallery of Art: Washington D.C. U. S. Government Printing Office, 1969.

MLA (8th ed.) Citation

A Brief Guide to the National Gallery of Art: Washington D.C. U. S. Government Printing Office, 1969.

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