Behrendt, J. C., & Wotorson, C. S. (1974). Total-count gamma radiation map of the Harper quadrangle, Liberia. U.S. Geological Survey.
Chicago Style (17th ed.) CitationBehrendt, John C., and Cletus S. Wotorson. Total-count Gamma Radiation Map of the Harper Quadrangle, Liberia. Reston, Va.: U.S. Geological Survey, 1974.
MLA (9th ed.) CitationBehrendt, John C., and Cletus S. Wotorson. Total-count Gamma Radiation Map of the Harper Quadrangle, Liberia. U.S. Geological Survey, 1974.
Warning: These citations may not always be 100% accurate.