APA
Administrator of the environmental protection agency, . (1974). The economics of clean water. United States Government printing office: Washington.
Chicago
Administrator of the environmental protection agency, . 1974. The economics of clean water. United States Government printing office: Washington.
Harvard
Administrator of the environmental protection agency, . (1974). The economics of clean water. United States Government printing office: Washington.
MLA
Administrator of the environmental protection agency, . The economics of clean water. United States Government printing office: Washington. 1974.