APA (7th ed.) Citation

Goupil & Cie & Powell, W. H. (1860). Full-length portrait of Washington Irving in his library at Sunnyside. Goupil & Co..

Chicago Style (17th ed.) Citation

Goupil & Cie and William H. Powell. Full-length Portrait of Washington Irving in His Library at Sunnyside. New York: Goupil & Co., 1860.

MLA (9th ed.) Citation

Goupil & Cie and William H. Powell. Full-length Portrait of Washington Irving in His Library at Sunnyside. Goupil & Co., 1860.