APA (7th ed.) Citation

United States. Post Office Department & ProQuest (Firm). (1967). Annual Report of the Postmaster General. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Post Office Department and ProQuest (Firm). Annual Report of the Postmaster General. Washington: [publisher not identified], 1967.

MLA (9th ed.) Citation

United States. Post Office Department and ProQuest (Firm). Annual Report of the Postmaster General. [publisher not identified], 1967.

Warning: These citations may not always be 100% accurate.