Cita APA (7th ed.)

Gregory, K. J., & Goudie, A. S. (2014). The SAGE Handbook of Geomorphology. SAGE.

Cita Chicago (17th ed.)

Gregory, Kenneth John, i Andrew S. Goudie. The SAGE Handbook of Geomorphology. Los Angeles, CA., USA: SAGE, 2014.

Cita MLA (9th ed.)

Gregory, Kenneth John, i Andrew S. Goudie. The SAGE Handbook of Geomorphology. SAGE, 2014.