United States. Bureau of Entomology. (1911). Occurrence of bee diseases in U.S: Preliminary report. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology. Occurrence of Bee Diseases in U.S: Preliminary Report. [Washington]: GPO, 1911.
MLA (9th ed.) CitationUnited States. Bureau of Entomology. Occurrence of Bee Diseases in U.S: Preliminary Report. GPO, 1911.
Warning: These citations may not always be 100% accurate.