United States. Bureau of Entomology and Plant Quarantine. (1941). Squash borer [life history, injury, and control]. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Squash Borer [life History, Injury, and Control]. [Washington]: [s.n.], 1941.
MLA (9th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Squash Borer [life History, Injury, and Control]. [s.n.], 1941.
Warning: These citations may not always be 100% accurate.