APA (7th ed.) Citation

U.S. Fish and Wildlife Service. (1997). Contracting and general services. The Service.

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Contracting and General Services. [Washington, D.C.?]: The Service, 1997.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. Contracting and General Services. The Service, 1997.