APA (7th ed.) Citation

United States. Extension Service. (1983). Challenge and change: A blueprint for the future : Extension Service, USDA. U.S. Dept. of Agriculture, Extension Service.

Chicago Style (17th ed.) Citation

United States. Extension Service. Challenge and Change: A Blueprint for the Future : Extension Service, USDA. [Washington, D.C.?]: U.S. Dept. of Agriculture, Extension Service, 1983.

MLA (9th ed.) Citation

United States. Extension Service. Challenge and Change: A Blueprint for the Future : Extension Service, USDA. U.S. Dept. of Agriculture, Extension Service, 1983.