Ernst, M. S., & Thurber, J. (1965). In a Word. Penguin Books.
Cita Chicago (17th ed.)Ernst, Margaret S., i James Thurber. In a Word. Harmondsworth [u.a.]: Penguin Books, 1965.
Cita MLA (8th ed.)Ernst, Margaret S., i James Thurber. In a Word. Penguin Books, 1965.
Atenció: Aquestes cites poden no estar 100% correctes.