APA (7th ed.) Citation

Clowes, A., & Comfort, P. (1987). Process and landform: An outline of contemporary geomorphology (2. ed.). Oliver & Boyd.

Chicago Style (17th ed.) Citation

Clowes, Alan, and Peter Comfort. Process and Landform: An Outline of Contemporary Geomorphology. 2. ed. Edinburgh: Oliver & Boyd, 1987.

MLA (9th ed.) Citation

Clowes, Alan, and Peter Comfort. Process and Landform: An Outline of Contemporary Geomorphology. 2. ed. Oliver & Boyd, 1987.