APA (7th ed.) Citation

Popham, A. E. (1957). Correggio's drawings. Oxford University Press.

Chicago Style (17th ed.) Citation

Popham, Arthur Ewart. Correggio's Drawings. London: Oxford University Press, 1957.

MLA (9th ed.) Citation

Popham, Arthur Ewart. Correggio's Drawings. Oxford University Press, 1957.