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MLA

Vogelsang, Donald L, et al. "Cooperative Agrichemical and Seed Operations." ,

APA

Vogelsang, D. L, Eversull, E. Eldon, Mather, J. Warren (James Warren), United States, U. States, & Agricultural Cooperative Service, A. Cooperative Service. (1990). Cooperative agrichemical and seed operations.

Chicago

Vogelsang, Donald L., E. Eldon Eversull, J. Warren (James Warren) Mather, United States, and Agricultural Cooperative Service. "Cooperative agrichemical and seed operations" (1990):