APA (7th ed.) Citation

Shapley, F. R. (1957). Comparisons in art : a companion to the National Gallery of Art, Washington DC: A companion to the National Gallery of Art, Washington DC. Phaidon.

Chicago Style (17th ed.) Citation

Shapley, Fern Rusk. Comparisons in Art : A Companion to the National Gallery of Art, Washington DC: A Companion to the National Gallery of Art, Washington DC. London: Phaidon, 1957.

MLA (9th ed.) Citation

Shapley, Fern Rusk. Comparisons in Art : A Companion to the National Gallery of Art, Washington DC: A Companion to the National Gallery of Art, Washington DC. Phaidon, 1957.

Warning: These citations may not always be 100% accurate.