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