Citação norma APA

National Gallery of Art. (1970). American paintings and sculpture: An illustrated catalogue. National Gallery of Art.

Citação norma Chicago

National Gallery of Art. American Paintings and Sculpture: An Illustrated Catalogue. Washington: National Gallery of Art, 1970.

Citação norma MLA

National Gallery of Art. American Paintings and Sculpture: An Illustrated Catalogue. National Gallery of Art, 1970.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.