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MLA

Cook, Peggy J, et al. "The Revised Ers County Typology : an Overview." , p.. Print

APA

Cook, P. J, Mizer, K. L, United States, U. States, & Agricultural Research Service, A. Research Service. (1994). The revised ERS County typology : an overview.

Chicago

Cook, Peggy J., Karen L Mizer, United States, and Agricultural Research Service. "The revised ERS County typology : an overview" (0000): p..