Geological Survey (U.S.) & Persits, F. M. (2002). Map showing geology, oil and gas fields, and geologic provinces of Africa (Version 2.0.). U.S. Geological Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and F. M. Persits. Map Showing Geology, Oil and Gas Fields, and Geologic Provinces of Africa. Version 2.0. [Reston, Va.]: U.S. Geological Survey, 2002.
MLA (9th ed.) CitationGeological Survey (U.S.) and F. M. Persits. Map Showing Geology, Oil and Gas Fields, and Geologic Provinces of Africa. Version 2.0. U.S. Geological Survey, 2002.
Warning: These citations may not always be 100% accurate.