Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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