National Gallery of Art (Washington) : : European Paintings and Sculpture ; Illustrations.

MLA

National Gallery of Art (washington) : European Paintings and Sculpture ; Illustrations. Washington: National Gallery of Art (Washington), 1968.

APA

(1968). National Gallery of Art (Washington) : European Paintings and Sculpture ; Illustrations. Washington: National Gallery of Art (Washington).

Chicago

National Gallery of Art (washington): European Paintings and Sculpture ; Illustrations. Washington: National Gallery of Art (Washington), 1968.