APA
U.S. Department of Agriculture, . (1958). The world agricultural situation. Washington, D.C: U.S. Department of Agriculture.
Chicago
U.S. Department of Agriculture, . 1958. The world agricultural situation. Washington, D.C: U.S. Department of Agriculture.
Harvard
U.S. Department of Agriculture, . (1958). The world agricultural situation. Washington, D.C: U.S. Department of Agriculture.
MLA
U.S. Department of Agriculture, . The world agricultural situation. Washington, D.C: U.S. Department of Agriculture. 1958.