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MLA

Caffrey, D. J. (Donald John), and L. H. (Leon Howard) Worthley. The European corn borer and its control. U.S. Dept. of Agriculture, 1922.

APA

Caffrey, D. J. (Donald John), and Worthley, L. H. (Leon Howard). (1922). The European corn borer and its control. U.S. Dept. of Agriculture.

Chicago

Caffrey, D. J. (Donald John), and L. H. (Leon Howard) Worthley. The European corn borer and its control. U.S. Dept. of Agriculture, 1922.