United States. Environmental Protection Agency. Office of Water Enforcement. Compliance Branch. (1977). NPDES compliance sampling manual. Environmental Protection Agency, Office of Water Enforcement, Division, Compliance Branch.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water Enforcement. Compliance Branch. NPDES Compliance Sampling Manual. [Washington]: Environmental Protection Agency, Office of Water Enforcement, Division, Compliance Branch, 1977.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water Enforcement. Compliance Branch. NPDES Compliance Sampling Manual. Environmental Protection Agency, Office of Water Enforcement, Division, Compliance Branch, 1977.
Warning: These citations may not always be 100% accurate.