APA (7th ed.) Citation

Roberts, K. (1967). Edgar Degas / by Keith Roberts. Purnell.

Chicago Style (17th ed.) Citation

Roberts, Keith. Edgar Degas / by Keith Roberts. London: Purnell, 1967.

MLA (9th ed.) Citation

Roberts, Keith. Edgar Degas / by Keith Roberts. Purnell, 1967.

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