Morris, E. H., & Shepard, A. O. (1939). Archaeological studies in the La Plata district: Southwestern Colorado and northwestern New Mexico. The Carnegie Institution of Washington.
Chicago Style (17th ed.) CitationMorris, Earl Halstead, and Anna Osler Shepard. Archaeological Studies in the La Plata District: Southwestern Colorado and Northwestern New Mexico. Washington, D.C.: The Carnegie Institution of Washington, 1939.
MLA (9th ed.) CitationMorris, Earl Halstead, and Anna Osler Shepard. Archaeological Studies in the La Plata District: Southwestern Colorado and Northwestern New Mexico. The Carnegie Institution of Washington, 1939.
Warning: These citations may not always be 100% accurate.