APA (7th ed.) Citation

Gregory, K. J., & Goudie, A. (2011). The SAGE handbook of geomorphology. SAGE.

Chicago Style (17th ed.) Citation

Gregory, K. J., and Andrew Goudie. The SAGE Handbook of Geomorphology. Thousand Oaks, California: SAGE, 2011.

MLA (9th ed.) Citation

Gregory, K. J., and Andrew Goudie. The SAGE Handbook of Geomorphology. SAGE, 2011.