Cita APA (7th ed.)
Ryan, C. (1959). The last battle. Simon and Schuster.
Cita Chicago (17th ed.)
Ryan, Cornelius. The Last Battle. New York: Simon and Schuster, 1959.
Cita MLA (9th ed.)
Ryan, Cornelius. The Last Battle. Simon and Schuster, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.