Cita APA (7a ed.)

Derbyshire, E., Gregory, K. J., & Hails, J. R. (1981). Geomorphological processes. Butterworths.

Cita Chicago Style (17a ed.)

Derbyshire, Edward, K. J. Gregory, y John R. Hails. Geomorphological Processes. London ; Boston: Butterworths, 1981.

Cita MLA (8a ed.)

Derbyshire, Edward, et al. Geomorphological Processes. Butterworths, 1981.