APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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