United States. Congress. House. Committee on Interstate and Foreign Commerce & ProQuest (Firm). (1934). Bridges across the Monongahela, Allegheny, and Youghiogheny Rivers, Allegheny County, Pennsylvania. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce and ProQuest (Firm). Bridges Across the Monongahela, Allegheny, and Youghiogheny Rivers, Allegheny County, Pennsylvania. Washington: [publisher not identified], 1934.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce and ProQuest (Firm). Bridges Across the Monongahela, Allegheny, and Youghiogheny Rivers, Allegheny County, Pennsylvania. [publisher not identified], 1934.
Warning: These citations may not always be 100% accurate.