Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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