APA (7th ed.) Citation

Hemingway, E. (2004). For Whom the Bell Tolls. Arrow Books.

Chicago Style (17th ed.) Citation

Hemingway, Ernest. For Whom the Bell Tolls. London: Arrow Books, 2004.

MLA (9th ed.) Citation

Hemingway, Ernest. For Whom the Bell Tolls. Arrow Books, 2004.