APA (7th ed.) Citation

United States. Department of the Treasury & ProQuest (Firm). (1820). Letter from the Secretary of the Treasury, transmitting abstracts of the receipts and expenditures of the General Post Office, from 1st January, 1814, to 31st March, 1818. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Department of the Treasury and ProQuest (Firm). Letter from the Secretary of the Treasury, Transmitting Abstracts of the Receipts and Expenditures of the General Post Office, from 1st January, 1814, to 31st March, 1818. Washington: [publisher not identified], 1820.

MLA (9th ed.) Citation

United States. Department of the Treasury and ProQuest (Firm). Letter from the Secretary of the Treasury, Transmitting Abstracts of the Receipts and Expenditures of the General Post Office, from 1st January, 1814, to 31st March, 1818. [publisher not identified], 1820.