APA (7th ed.) Citation

Kopper, P. (1991). America's National Gallery of Art: A gift to the nation. Abrams.

Chicago Style (17th ed.) Citation

Kopper, Philip. America's National Gallery of Art: A Gift to the Nation. New York: Abrams, 1991.

MLA (9th ed.) Citation

Kopper, Philip. America's National Gallery of Art: A Gift to the Nation. Abrams, 1991.

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