APA

United States, . (197). Report to Congress: research & demonstration programs to achieve water quality goals: what the fed. govt. needs to do. [Washington, D.C: .

Chicago

United States, . 197. Report to Congress: research & demonstration programs to achieve water quality goals: what the fed. govt. needs to do. [Washington, D.C: .

Harvard

United States, . (197). Report to Congress: research & demonstration programs to achieve water quality goals: what the fed. govt. needs to do. [Washington, D.C: .

MLA

United States, . Report to Congress: research & demonstration programs to achieve water quality goals: what the fed. govt. needs to do. [Washington, D.C: . 197.