APA (7th ed.) Citation

Walpole, H. Horace Walpole and His World: Select Passages from His Letters.

Chicago Style (17th ed.) Citation

Walpole, Horace. Horace Walpole and His World: Select Passages from His Letters.

MLA (9th ed.) Citation

Walpole, Horace. Horace Walpole and His World: Select Passages from His Letters.

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