Cita APA

United States. Department of Agriculture. (1991). Agriculture and environment. [U.S. Dept. of Agriculture].

Citación estilo Chicago

United States. Department of Agriculture. Agriculture and Environment. Washington, DC: [U.S. Dept. of Agriculture], 1991.

Cita MLA

United States. Department of Agriculture. Agriculture and Environment. Washington, DC: [U.S. Dept. of Agriculture], 1991.

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