Dortignac, E. (1956). Watershed resources and problems of the upper Rio Grande Basin. United States Department of Agriculture.
Chicago Style (17th ed.) CitationDortignac, E.J. Watershed Resources and Problems of the Upper Rio Grande Basin. U.S.: United States Department of Agriculture, 1956.
MLA (9th ed.) CitationDortignac, E.J. Watershed Resources and Problems of the Upper Rio Grande Basin. United States Department of Agriculture, 1956.
Warning: These citations may not always be 100% accurate.