APA (7th ed.) Citation

Lewis, W. S. (1961). Horace Walpole / by W.S. Lewis. Hart-Davis.

Chicago Style (17th ed.) Citation

Lewis, W. S. Horace Walpole / by W.S. Lewis. Hart-Davis, 1961.

MLA (9th ed.) Citation

Lewis, W. S. Horace Walpole / by W.S. Lewis. Hart-Davis, 1961.

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