United States. Bureau of Plant Industry. (1938). Implements and methods of tillage to control soil blowing on northern Great Plains. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Plant Industry. Implements and Methods of Tillage to Control Soil Blowing on Northern Great Plains. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Bureau of Plant Industry. Implements and Methods of Tillage to Control Soil Blowing on Northern Great Plains. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.