APA (7th ed.) Citation

Dos Passos, J. (1997). Three soldiers. Penguin Books.

Chicago Style (17th ed.) Citation

Dos Passos, John. Three Soldiers. New York [u.a.]: Penguin Books, 1997.

MLA (9th ed.) Citation

Dos Passos, John. Three Soldiers. Penguin Books, 1997.