Rosenblum, S., & Srivastava, S. P. (1979). The Bambuta phosphate deposit, Liberia--a reconnaissance report: An unusual deposit of iron and aluminum phosphates of at least 1.5 million tons containing 28 percent PO₅. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationRosenblum, Sam, and S. P. Srivastava. The Bambuta Phosphate Deposit, Liberia--a Reconnaissance Report: An Unusual Deposit of Iron and Aluminum Phosphates of at Least 1.5 Million Tons Containing 28 Percent PO₅. [Reston, Va.]: United States Department of the Interior, Geological Survey, 1979.
MLA (9th ed.) CitationRosenblum, Sam, and S. P. Srivastava. The Bambuta Phosphate Deposit, Liberia--a Reconnaissance Report: An Unusual Deposit of Iron and Aluminum Phosphates of at Least 1.5 Million Tons Containing 28 Percent PO₅. United States Department of the Interior, Geological Survey, 1979.