United States. Bureau of Entomology. (1913). Sacbrood, disease of bees. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology. Sacbrood, Disease of Bees. [Washington]: GPO, 1913.
MLA (9th ed.) CitationUnited States. Bureau of Entomology. Sacbrood, Disease of Bees. GPO, 1913.
Warning: These citations may not always be 100% accurate.