National Portrait Gallery (Gran Bretaña) & Ormond, R. (1979). National Portrait Gallery in colour. Studio Vista in association with the National Portrait Gallery.
Citação do estilo Chicago (17ª ed.)National Portrait Gallery (Gran Bretaña) e Richard Ormond. National Portrait Gallery in Colour. London: Studio Vista in association with the National Portrait Gallery, 1979.
Citação MLA (8ª ed.)National Portrait Gallery (Gran Bretaña) e Richard Ormond. National Portrait Gallery in Colour. Studio Vista in association with the National Portrait Gallery, 1979.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.