Master drawings from the Armand Hammer collection.

MLA

National Gallery of Art (U.S.). Master drawings from the Armand Hammer collection. Washington, D.C. : National Gallery of Art, 1987.

APA

National Gallery of Art (U.S.). (1987). Master drawings from the Armand Hammer collection. Washington, D.C. : National Gallery of Art.

Chicago

National Gallery of Art (U.S.). Master drawings from the Armand Hammer collection. Washington, D.C. : National Gallery of Art, 1987.