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The Composition and distribution of phosphate rock with special reference to the United States
MLA
Jacob, K. D. The Composition and distribution of phosphate rock with special reference to the United States . U.S. Dept. of Agriculture, 1933.
APA
Jacob, K. D. (1933). The Composition and distribution of phosphate rock with special reference to the United States. U.S. Dept. of Agriculture.
Chicago
Jacob, K. D. The Composition and distribution of phosphate rock with special reference to the United States . U.S. Dept. of Agriculture, 1933.