United States. Environmental Protection Agency. Office of Water. (2001). Marine transportation systems: Environmental Protection Agency aquatic nuisance species in ballast water discharges. United States Environmental Protection Agency, Office of Water.
Chicago Style (17th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Marine Transportation Systems: Environmental Protection Agency Aquatic Nuisance Species in Ballast Water Discharges. [Washington, D.C.]: United States Environmental Protection Agency, Office of Water, 2001.
MLA (9th ed.) CitationUnited States. Environmental Protection Agency. Office of Water. Marine Transportation Systems: Environmental Protection Agency Aquatic Nuisance Species in Ballast Water Discharges. United States Environmental Protection Agency, Office of Water, 2001.