Cita APA (7th ed.)

SCHUMM, S. A. (1977). The fluvial system. John Wiley and Sons.

Cita Chicago (17th ed.)

SCHUMM, Stanley A. The Fluvial System. New York: John Wiley and Sons, 1977.

Cita MLA (9th ed.)

SCHUMM, Stanley A. The Fluvial System. John Wiley and Sons, 1977.