APA (7th ed.) Citation

Popham, A. E. (1954). A sheet of drawings by Raphael.

Chicago Style (17th ed.) Citation

Popham, Arthur Ewart. A Sheet of Drawings by Raphael. 1954.

MLA (9th ed.) Citation

Popham, Arthur Ewart. A Sheet of Drawings by Raphael. 1954.

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