United States. Bureau of Chemistry and Soils. (1939). Chemical study of some soils derived from limestone. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Chemistry and Soils. Chemical Study of Some Soils Derived from Limestone. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. Bureau of Chemistry and Soils. Chemical Study of Some Soils Derived from Limestone. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.