United States. Bureau of Entomology. (1913). Arsenate of lead as insecticide against tobacco hornworms. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology. Arsenate of Lead as Insecticide Against Tobacco Hornworms. [Washington]: GPO, 1913.
MLA (9th ed.) CitationUnited States. Bureau of Entomology. Arsenate of Lead as Insecticide Against Tobacco Hornworms. GPO, 1913.
Warning: These citations may not always be 100% accurate.