United States. Bureau of Entomology. (1891). Imported elm leaf-beetle: Its habits and natural history, and means of counteracting its injuries. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology. Imported Elm Leaf-beetle: Its Habits and Natural History, and Means of Counteracting Its Injuries. [Washington]: GPO, 1891.
MLA (9th ed.) CitationUnited States. Bureau of Entomology. Imported Elm Leaf-beetle: Its Habits and Natural History, and Means of Counteracting Its Injuries. GPO, 1891.
Warning: These citations may not always be 100% accurate.