Augustus Saint-Gaudens: the portrait reliefs the National Portrait Gallery, the Smithsonian Institution.

MLA

Dryfhout, John, Beverly Cox and National Portrait Gallery (Smithsonian Institution). Augustus Saint-Gaudens: the portrait reliefs the National Portrait Gallery, the Smithsonian Institution. New York : Grossman Publishers, 1969.

APA

Dryfhout, J., Cox, B. & National Portrait Gallery (Smithsonian Institution). (1969). Augustus Saint-Gaudens: the portrait reliefs the National Portrait Gallery, the Smithsonian Institution. New York : Grossman Publishers.

Chicago

Dryfhout, John, Beverly Cox and National Portrait Gallery (Smithsonian Institution). Augustus Saint-Gaudens: the portrait reliefs the National Portrait Gallery, the Smithsonian Institution. New York : Grossman Publishers, 1969.