APA (7th ed.) Citation

United States. Postmaster General. (1905). Washington, D.C: Scheme for separation of mail by States, Dec. 1905. U.S. Government Printing Office.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Washington, D.C: Scheme for Separation of Mail by States, Dec. 1905. [Place of publication not identified]: U.S. Government Printing Office, 1905.

MLA (9th ed.) Citation

United States. Postmaster General. Washington, D.C: Scheme for Separation of Mail by States, Dec. 1905. U.S. Government Printing Office, 1905.