United States. Bureau of Entomology and Plant Quarantine. (1938). Toxicity of Haplophyton cimicidum A. DC. to fruitflies. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Toxicity of Haplophyton Cimicidum A. DC. to Fruitflies. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Toxicity of Haplophyton Cimicidum A. DC. to Fruitflies. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.