APA (7th ed.) Citation

Thurber. (2013). The secret life of Walter Mitty. Penguin Books.

Chicago Style (17th ed.) Citation

Thurber. The Secret Life of Walter Mitty. London: Penguin Books, 2013.

MLA (8th ed.) Citation

Thurber. The Secret Life of Walter Mitty. Penguin Books, 2013.

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