United States. Postmaster General. (1878). U.S. official postal guide, containing alphabetical list of post offices in U.S., with county, State, and salary; money-order offices, domestic and international; chief regulations of Post Office Department; instructions to public; foreign and domestic postage tables; schedules of arrival and closing of mails at principal cities, arrival and departure of foreign mail steamers, with other information. Houghton, Osgood and Company.
Chicago Style (17th ed.) CitationUnited States. Postmaster General. U.S. Official Postal Guide, Containing Alphabetical List of Post Offices in U.S., with County, State, and Salary; Money-order Offices, Domestic and International; Chief Regulations of Post Office Department; Instructions to Public; Foreign and Domestic Postage Tables; Schedules of Arrival and Closing of Mails at Principal Cities, Arrival and Departure of Foreign Mail Steamers, with Other Information. Boston: Houghton, Osgood and Company, 1878.
MLA (9th ed.) CitationUnited States. Postmaster General. U.S. Official Postal Guide, Containing Alphabetical List of Post Offices in U.S., with County, State, and Salary; Money-order Offices, Domestic and International; Chief Regulations of Post Office Department; Instructions to Public; Foreign and Domestic Postage Tables; Schedules of Arrival and Closing of Mails at Principal Cities, Arrival and Departure of Foreign Mail Steamers, with Other Information. Houghton, Osgood and Company, 1878.