APA (7th ed.) Citation

Walpole, H. (1964). The Castle of Otranto : a Gothic story / by Horace Walpole: A Gothic story. Oxford U.P..

Chicago Style (17th ed.) Citation

Walpole, Horace. The Castle of Otranto : A Gothic Story / by Horace Walpole: A Gothic Story. Oxford U.P., 1964.

MLA (9th ed.) Citation

Walpole, Horace. The Castle of Otranto : A Gothic Story / by Horace Walpole: A Gothic Story. Oxford U.P., 1964.

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