United States. Congress. House. Committee on Public Works & ProQuest (Firm). (1961). Vertical Clearances of Bridges, Upper Mississippi River: Hearings before the United States House Committee on Public Works, Eighty-Seventh Congress, first session, on Mar. 22, 1961. U.S. G.P.O..
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Public Works and ProQuest (Firm). Vertical Clearances of Bridges, Upper Mississippi River: Hearings Before the United States House Committee on Public Works, Eighty-Seventh Congress, First Session, on Mar. 22, 1961. Washington: U.S. G.P.O., 1961.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Public Works and ProQuest (Firm). Vertical Clearances of Bridges, Upper Mississippi River: Hearings Before the United States House Committee on Public Works, Eighty-Seventh Congress, First Session, on Mar. 22, 1961. U.S. G.P.O., 1961.