National Gallery of Art. (1970). American paintings and sculpture: An illustrated catalogue. National Gallery of Art.
Citazione stile Chigago Style (17a edizione)National Gallery of Art. American Paintings and Sculpture: An Illustrated Catalogue. Washington: National Gallery of Art, 1970.
Citatione MLA (9a ed.)National Gallery of Art. American Paintings and Sculpture: An Illustrated Catalogue. National Gallery of Art, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.