APA (7th ed.) Citation

United States. Congress. House. Committee on Post Office and Post Roads & ProQuest (Firm). (1873). Letter from the Postmaster General, relative to the number of letters annually transmitted since 1820, with the ratio of postage each year, together with the annual receipts and expenditures of his department, &c. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Congress. House. Committee on Post Office and Post Roads and ProQuest (Firm). Letter from the Postmaster General, Relative to the Number of Letters Annually Transmitted Since 1820, with the Ratio of Postage Each Year, Together with the Annual Receipts and Expenditures of His Department, &c. Washington: [publisher not identified], 1873.

MLA (8th ed.) Citation

United States. Congress. House. Committee on Post Office and Post Roads and ProQuest (Firm). Letter from the Postmaster General, Relative to the Number of Letters Annually Transmitted Since 1820, with the Ratio of Postage Each Year, Together with the Annual Receipts and Expenditures of His Department, &c. [publisher not identified], 1873.