APA (7th ed.) Citation

United States. Congress. House. Committee on Commerce, ProQuest (Firm), & United States. War Department. (1872). Improvement of Patapsco River. Letter from the Secretary of War relative to the improvement of the Patapsco River. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Commerce, ProQuest (Firm), and United States. War Department. Improvement of Patapsco River. Letter from the Secretary of War Relative to the Improvement of the Patapsco River. Washington: [publisher not identified], 1872.

MLA (9th ed.) Citation

United States. Congress. House. Committee on Commerce, et al. Improvement of Patapsco River. Letter from the Secretary of War Relative to the Improvement of the Patapsco River. [publisher not identified], 1872.