United States. Science and Education Administration & United States. Dept. of Agriculture. (1980). Suggested guidelines for weed control. U.S. Dept. of Agriculture.
Chicago Style (17th ed.) CitationUnited States. Science and Education Administration and United States. Dept. of Agriculture. Suggested Guidelines for Weed Control. [Washington, D.C.?]: U.S. Dept. of Agriculture, 1980.
MLA (9th ed.) CitationUnited States. Science and Education Administration and United States. Dept. of Agriculture. Suggested Guidelines for Weed Control. U.S. Dept. of Agriculture, 1980.
Warning: These citations may not always be 100% accurate.