[Organic insecticides - tests and bibliographies,
miscellaneous "E" series]
APA Citation
United States. Bureau of Entomology and Plant Quarantine. (1937). [Organic insecticides - tests and bibliographies: miscellaneous "E" series]. [Washington, D. C..
MLA Citation
United States. Bureau of Entomology and Plant Quarantine. [Organic Insecticides - Tests And Bibliographies: Miscellaneous "E" Series]. [Washington, D. C., 1937.
Warning: These citations may not always be complete (especially for serials).