APA (7th ed.) Citation

Ketton-Cremer, R. W. (1940). Horace Walpole. Longmans, Green and co..

Chicago Style (17th ed.) Citation

Ketton-Cremer, R. W. Horace Walpole. New York: Longmans, Green and co., 1940.

MLA (9th ed.) Citation

Ketton-Cremer, R. W. Horace Walpole. Longmans, Green and co., 1940.

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