Schumm, S. A. (1977). The Fluvial system. Wiley.
Cita Chicago (17th ed.)Schumm, Stanley Alfred. The Fluvial System. New York: Wiley, 1977.
Cita MLA (9th ed.)Schumm, Stanley Alfred. The Fluvial System. Wiley, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.