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MLA

Cole, John S. (John Selden), and George W. (George Walter) Morgan. "Implements and Methods of Tillage to Control Soil Blowing On the Northern Great Plains." , 21. Print

APA

Cole, J. S. (John Selden), & Morgan, G. W. (George Walter). (1938). Implements and methods of tillage to control soil blowing on the northern Great Plains.

Chicago

Cole, John S. (John Selden), and George W. (George Walter) Morgan. "Implements and methods of tillage to control soil blowing on the northern Great Plains" (1938): 21.