United States. Congress. House. Committee on Public Works. Subcommittee on Watershed Development & ProQuest (Firm). (1970). Watershed development plans--1969: Hearings, Ninety-first Congress, first session, August 7 and December 10, 1969. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Public Works. Subcommittee on Watershed Development and ProQuest (Firm). Watershed Development Plans--1969: Hearings, Ninety-first Congress, First Session, August 7 and December 10, 1969. Washington: U.S. Govt. Print. Off, 1970.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Public Works. Subcommittee on Watershed Development and ProQuest (Firm). Watershed Development Plans--1969: Hearings, Ninety-first Congress, First Session, August 7 and December 10, 1969. U.S. Govt. Print. Off, 1970.