United States. Bureau of Entomology and Plant Quarantine. (1934). Studies of Exeristes roborator (Fab.), parasite of European corn borer in Lake Erie area. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Studies of Exeristes Roborator (Fab.), Parasite of European Corn Borer in Lake Erie Area. [Washington]: [s.n.], 1934.
MLA (9th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Studies of Exeristes Roborator (Fab.), Parasite of European Corn Borer in Lake Erie Area. [s.n.], 1934.
Warning: These citations may not always be 100% accurate.