United States. Department of Agriculture. Don't help hitchhiking bugs. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Don't Help Hitchhiking Bugs. 1966: [publisher not identified].
MLA (9th ed.) CitationUnited States. Department of Agriculture. Don't Help Hitchhiking Bugs. [publisher not identified].
Warning: These citations may not always be 100% accurate.