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MLA

Clark, J. Allen (Jacob Allen), and John H. (John Holmes) Martin. "The Hard Red Winter Wheats." , p.. Print

APA

Clark, J. Allen (Jacob Allen), & Martin, J. H. (John Holmes). (1922). The hard red winter wheats.

Chicago

Clark, J. Allen (Jacob Allen), and John H. (John Holmes) Martin. "The hard red winter wheats" (0000): p..