APA (7th ed.) Citation

U.S. Fish and Wildlife Service. (1990). Wetlands: Meeting the Preident's challenge. The Service.

Chicago Style (17th ed.) Citation

U.S. Fish and Wildlife Service. Wetlands: Meeting the Preident's Challenge. [Washington, D.C.?]: The Service, 1990.

MLA (9th ed.) Citation

U.S. Fish and Wildlife Service. Wetlands: Meeting the Preident's Challenge. The Service, 1990.