United States. Congress. House. Committee on Interstate and Foreign Commerce & ProQuest (Firm). (1939). Bridge across Allegheny River at or near Valley Camp, Pa. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce and ProQuest (Firm). Bridge Across Allegheny River at or Near Valley Camp, Pa. Washington: [publisher not identified], 1939.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce and ProQuest (Firm). Bridge Across Allegheny River at or Near Valley Camp, Pa. [publisher not identified], 1939.
Warning: These citations may not always be 100% accurate.