APA (7th ed.) Citation

United States. Congress. Senate. Committee on Commerce & ProQuest (Firm). (1869). Letter of the Secretary of War, communicating contracts made by officers of the corps of engineers and others on engineer duty during the year 1868. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. Senate. Committee on Commerce and ProQuest (Firm). Letter of the Secretary of War, Communicating Contracts Made by Officers of the Corps of Engineers and Others on Engineer Duty During the Year 1868. Washington: [publisher not identified], 1869.

MLA (9th ed.) Citation

United States. Congress. Senate. Committee on Commerce and ProQuest (Firm). Letter of the Secretary of War, Communicating Contracts Made by Officers of the Corps of Engineers and Others on Engineer Duty During the Year 1868. [publisher not identified], 1869.