Cita APA

United States. Department of Agriculture. (1948). Grass. U.S. Govt. Print. Off..

Citación estilo Chicago

United States. Department of Agriculture. Grass. Washington: U.S. Govt. Print. Off., 1948.

Cita MLA

United States. Department of Agriculture. Grass. Washington: U.S. Govt. Print. Off., 1948.

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