APA (7th ed.) Citation

United States. Post Office Department & ProQuest (Firm). (1866). Letter of the Postmaster General, communicating, in compliance with a resolution of the Senate of the 3d instant, information in regard to the oath required to be taken by persons in the employ of that department. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Post Office Department and ProQuest (Firm). Letter of the Postmaster General, Communicating, in Compliance with a Resolution of the Senate of the 3d Instant, Information in Regard to the Oath Required to Be Taken by Persons in the Employ of That Department. Washington: [publisher not identified], 1866.

MLA (9th ed.) Citation

United States. Post Office Department and ProQuest (Firm). Letter of the Postmaster General, Communicating, in Compliance with a Resolution of the Senate of the 3d Instant, Information in Regard to the Oath Required to Be Taken by Persons in the Employ of That Department. [publisher not identified], 1866.