APA (7th ed.) Citation

United States. Bureau of Entomology. (1933). Serphoid and chalcidoid parasites of Hessian fly. [s.n.].

Chicago Style (17th ed.) Citation

United States. Bureau of Entomology. Serphoid and Chalcidoid Parasites of Hessian Fly. [Washington]: [s.n.], 1933.

MLA (9th ed.) Citation

United States. Bureau of Entomology. Serphoid and Chalcidoid Parasites of Hessian Fly. [s.n.], 1933.

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