APA (7th ed.) Citation

United States. Congress. House. Committee on Rivers and Harbors, ProQuest (Firm), & United States. War Department. (1907). Duluth Harbor, Minnesota. Letter from the Acting Secretary of War, transmitting, with a letter from the Chief of Engineers, report by a Board of Engineers of examination and survey of Duluth Harbor, Minnesota. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Rivers and Harbors, ProQuest (Firm), and United States. War Department. Duluth Harbor, Minnesota. Letter from the Acting Secretary of War, Transmitting, with a Letter from the Chief of Engineers, Report by a Board of Engineers of Examination and Survey of Duluth Harbor, Minnesota. Washington: [publisher not identified], 1907.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Rivers and Harbors, et al. Duluth Harbor, Minnesota. Letter from the Acting Secretary of War, Transmitting, with a Letter from the Chief of Engineers, Report by a Board of Engineers of Examination and Survey of Duluth Harbor, Minnesota. [publisher not identified], 1907.