United States. Bureau of Entomology and Plant Quarantine. (1935). Bollweevil control with calcium arsenate on field plots in Madison Parish, La., 1920-34. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Bollweevil Control with Calcium Arsenate on Field Plots in Madison Parish, La., 1920-34. [Washington]: [s.n.], 1935.
MLA (9th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Bollweevil Control with Calcium Arsenate on Field Plots in Madison Parish, La., 1920-34. [s.n.], 1935.
Warning: These citations may not always be 100% accurate.