APA (7th ed.) Citation

Chorley, R. J., Schumm, S. A., & Sugden, D. E. (1985). Geomorphology. Methuen.

Chicago Style (17th ed.) Citation

Chorley, Richard J., Stanley Alfred Schumm, and David E. Sugden. Geomorphology. London: Methuen, 1985.

MLA (9th ed.) Citation

Chorley, Richard J., et al. Geomorphology. Methuen, 1985.