Cita APA (7th ed.)

Derbyshire, E. (1979). Geomorphological processes. Dawson.

Cita Chicago (17th ed.)

Derbyshire, E. Geomorphological Processes. Kent (Eng.): Dawson, 1979.

Cita MLA (9th ed.)

Derbyshire, E. Geomorphological Processes. Dawson, 1979.