United States. Bureau of Chemistry and Soils. (1938). Chemical and physical properties of certain soils developed from granitic materials in New England and the Piedmont, and of their colloids. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Chemistry and Soils. Chemical and Physical Properties of Certain Soils Developed from Granitic Materials in New England and the Piedmont, and of Their Colloids. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Bureau of Chemistry and Soils. Chemical and Physical Properties of Certain Soils Developed from Granitic Materials in New England and the Piedmont, and of Their Colloids. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.