APA (7th ed.) Citation

Geological Survey (U.S.) & Tuttle, M. L. (1997). USGS studies of energy resources in Sub-Saharan Africa. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.) and M. L. Tuttle. USGS Studies of Energy Resources in Sub-Saharan Africa. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1997.

MLA (9th ed.) Citation

Geological Survey (U.S.) and M. L. Tuttle. USGS Studies of Energy Resources in Sub-Saharan Africa. U.S. Dept. of the Interior, U.S. Geological Survey, 1997.