United States. Congress. House. Committee on Interstate and Foreign Commerce & ProQuest (Firm). (1940). Bridge over Mississippi River at or near Keokuk, Iowa. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce and ProQuest (Firm). Bridge over Mississippi River at or Near Keokuk, Iowa. Washington: [publisher not identified], 1940.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Interstate and Foreign Commerce and ProQuest (Firm). Bridge over Mississippi River at or Near Keokuk, Iowa. [publisher not identified], 1940.
Warning: These citations may not always be 100% accurate.