APA
U.S. Department of Agriculture, . (1970). Summary of projects of supply and demand for agricultural products i n Denmark. Washington, D.C: U.S. Department of Agriculture.
Chicago
U.S. Department of Agriculture, . 1970. Summary of projects of supply and demand for agricultural products i n Denmark. Washington, D.C: U.S. Department of Agriculture.
Harvard
U.S. Department of Agriculture, . (1970). Summary of projects of supply and demand for agricultural products i n Denmark. Washington, D.C: U.S. Department of Agriculture.
MLA
U.S. Department of Agriculture, . Summary of projects of supply and demand for agricultural products i n Denmark. Washington, D.C: U.S. Department of Agriculture. 1970.