APA (7th ed.) Citation

United States. Bureau of Entomology. (1934). Descriptions of some native trypetid flies with notes on their habits. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Entomology. Descriptions of Some Native Trypetid Flies with Notes on Their Habits. [Washington]: [s.n.], 1934.

MLA (9th ed.) Citation

United States. Bureau of Entomology. Descriptions of Some Native Trypetid Flies with Notes on Their Habits. [s.n.], 1934.

Warning: These citations may not always be 100% accurate.