Cita APA (7th ed.)
National Gallery of Art. (1984). Estados Unidos de América: National Gallery of Art, Washington, D.C.
Cita Chicago (17th ed.)
National Gallery of Art. Estados Unidos De América: National Gallery of Art, Washington, D.C. 1984.
Cita MLA (9th ed.)
National Gallery of Art. Estados Unidos De América: National Gallery of Art, Washington, D.C. 1984.
Atenció: Aquestes cites poden no estar 100% correctes.