United States. Bureau of Entomology and Plant Quarantine. (1938). Gypsy and brown-℗Ưtail moths and their control. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Gypsy and Brown-℗Ưtail Moths and Their Control. [Washington]: [s.n.], 1938.
MLA (9th ed.) CitationUnited States. Bureau of Entomology and Plant Quarantine. Gypsy and Brown-℗Ưtail Moths and Their Control. [s.n.], 1938.
Warning: These citations may not always be 100% accurate.