Wheat ... yearbook issue.
APA Citation
United States. World Agricultural Outlook Board., United States. Department of Agriculture. Economic Research Service. (1997). Wheat ... yearbook issue. Washington, D.C.: Economic Research Service, U S. Dept. of Agriculture.
MLA Citation
United States. World Agricultural Outlook Board, and United States. Department of Agriculture. Economic Research Service. Wheat ... Yearbook Issue. Washington, D.C.: Economic Research Service, U S. Dept. of Agriculture, 1997.
Warning: These citations may not always be complete (especially for serials).