Geological Survey (U.S.), Jackson, R. O., & Arabian American Oil Company. (1963). Geology of the southern Najd quadrangle, Kingdom of Saudi Arabia. U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Roy O. Jackson, and Arabian American Oil Company. Geology of the Southern Najd Quadrangle, Kingdom of Saudi Arabia. Washington, D.C.: U.S. Geological Survey, 1963.
MLA (8th ed.) CitationGeological Survey (U.S.), et al. Geology of the Southern Najd Quadrangle, Kingdom of Saudi Arabia. U.S. Geological Survey, 1963.
Warning: These citations may not always be 100% accurate.