APA (7th ed.) Citation

United States. Congress. House. Committee on Rivers and Harbors & ProQuest (Firm). (1929). Duluth -- Superior Harbor, Minn. and Wis. Letter from the Chief of Engineers, U.S. Army, Transmitting Report of the Board of Engineers for Rivers and Harbors on Duluth -- Superior Harbor, Minn. and Wis., with Illustration. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Rivers and Harbors and ProQuest (Firm). Duluth -- Superior Harbor, Minn. and Wis. Letter from the Chief of Engineers, U.S. Army, Transmitting Report of the Board of Engineers for Rivers and Harbors on Duluth -- Superior Harbor, Minn. and Wis., with Illustration. [Place of publication not identified]: [publisher not identified], 1929.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Rivers and Harbors and ProQuest (Firm). Duluth -- Superior Harbor, Minn. and Wis. Letter from the Chief of Engineers, U.S. Army, Transmitting Report of the Board of Engineers for Rivers and Harbors on Duluth -- Superior Harbor, Minn. and Wis., with Illustration. [publisher not identified], 1929.