Library of Congress. Congressional Research Service & ProQuest (Firm). (1979). Ambient Air Quality Standards: An Analysis of Title IV of Proposed Amendments to the Clean Air Act. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Ambient Air Quality Standards: An Analysis of Title IV of Proposed Amendments to the Clean Air Act. [Place of publication not identified]: [publisher not identified], 1979.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Ambient Air Quality Standards: An Analysis of Title IV of Proposed Amendments to the Clean Air Act. [publisher not identified], 1979.
Warning: These citations may not always be 100% accurate.