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MLA

Hanson, A. A. (Angus Alexander), and H. L. (Howard L.) Carnahan. "Breeding Perennial Forage Grasses." , p.. Print

APA

Hanson, A. A. (Angus Alexander), & Carnahan, H. L. (Howard L.). (1956). Breeding perennial forage grasses.

Chicago

Hanson, A. A. (Angus Alexander), and H. L. (Howard L.) Carnahan. "Breeding perennial forage grasses" (0000): p..