Cita APA (7th ed.)
Niven, D. (1976). Bring on the empty horses. Dell.
Cita Chicago (17th ed.)
Niven, David. Bring on the Empty Horses. New York: Dell, 1976.
Cita MLA (9th ed.)
Niven, David. Bring on the Empty Horses. Dell, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.