Cita APA

United States. Dept. of Agriculture. Economic Research Service & Trotter, W. K. (1973). Potential for oilseed sunflowers in the United States. for sale by the Supt. of Docs., U.S. Govt. Print. Off..

Citación estilo Chicago

United States. Dept. of Agriculture. Economic Research Service and Warren Kingsbury Trotter. Potential for Oilseed Sunflowers in the United States. Washington, D.C.: for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1973.

Cita MLA

United States. Dept. of Agriculture. Economic Research Service and Warren Kingsbury Trotter. Potential for Oilseed Sunflowers in the United States. for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1973.