Library of Congress. Congressional Research Service & ProQuest (Firm). (1978). Where To Get Publications from the Executive and Independent Agencies: A Directory of the Sources for Official Documents. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Where To Get Publications from the Executive and Independent Agencies: A Directory of the Sources for Official Documents. [Place of publication not identified]: [publisher not identified], 1978.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Where To Get Publications from the Executive and Independent Agencies: A Directory of the Sources for Official Documents. [publisher not identified], 1978.