Gregory, K. J., & Walling, D. E. (1973). Drainage basin form and process : a geomorphological approach / by K.J. Gregory and D.E. Walling: A geomorphological approach. Arnold.
Chicago Style (17th ed.) CitationGregory, K. J., and D. E. Walling. Drainage Basin Form and Process : A Geomorphological Approach / by K.J. Gregory and D.E. Walling: A Geomorphological Approach. Arnold, 1973.
MLA (9th ed.) CitationGregory, K. J., and D. E. Walling. Drainage Basin Form and Process : A Geomorphological Approach / by K.J. Gregory and D.E. Walling: A Geomorphological Approach. Arnold, 1973.
Warning: These citations may not always be 100% accurate.