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MLA

Sprague, G. F. (George Frederick), et al. "Corn Production." , p.. Print

APA

Sprague, G. F. (George Frederick), Larson, W. E, United States, U. States, & Agricultural Research Service, A. Research Service. (1975). Corn production.

Chicago

Sprague, G. F. (George Frederick), William E Larson, United States, and Agricultural Research Service. "Corn production" (0000): p..