United States. Congress. House. Committee on Government Operations. Executive and Legislative Reorganization Subcommittee & ProQuest (Firm). (1966). Reorganization Plan No. 4 of 1966 (National Zoological Park). Report. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Government Operations. Executive and Legislative Reorganization Subcommittee and ProQuest (Firm). Reorganization Plan No. 4 of 1966 (National Zoological Park). Report. [Place of publication not identified]: [publisher not identified], 1966.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Government Operations. Executive and Legislative Reorganization Subcommittee and ProQuest (Firm). Reorganization Plan No. 4 of 1966 (National Zoological Park). Report. [publisher not identified], 1966.