APA (7th ed.) Citation

Smithsonian Institution. (1939). Neotropical flies of family Stratiomyidae in National Museum. [s.n.].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Neotropical Flies of Family Stratiomyidae in National Museum. [Washington]: [s.n.], 1939.

MLA (9th ed.) Citation

Smithsonian Institution. Neotropical Flies of Family Stratiomyidae in National Museum. [s.n.], 1939.