United States. Bureau of Plant Industry. (1939). Behavior of boron in soils. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Behavior of Boron in Soils. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Behavior of Boron in Soils. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.