Cita APA (7th ed.)

Gregory, k. J. (1977). River channel changes. John Wiley.

Cita Chicago (17th ed.)

Gregory, k. J. River Channel Changes. New York: John Wiley, 1977.

Cita MLA (9th ed.)

Gregory, k. J. River Channel Changes. John Wiley, 1977.

Atenció: Aquestes cites poden no estar 100% correctes.