Geological Survey (U.S.) & Thaden, R. E. (1989). Geologic map of the Fort Defiance quadrangle, Apache County, Arizona, and McKinley County, New Mexico. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and Robert E. Thaden. Geologic Map of the Fort Defiance Quadrangle, Apache County, Arizona, and McKinley County, New Mexico. Reston, Va.: The Survey, 1989.
MLA (9th ed.) CitationGeological Survey (U.S.) and Robert E. Thaden. Geologic Map of the Fort Defiance Quadrangle, Apache County, Arizona, and McKinley County, New Mexico. The Survey, 1989.
Warning: These citations may not always be 100% accurate.