APA (7th ed.) Citation

United States. Postmaster General. (1932). Supplemental instructions relative to declaration of full value and collection of required surcharges on domestic registered mail. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Postmaster General. Supplemental Instructions Relative to Declaration of Full Value and Collection of Required Surcharges on Domestic Registered Mail. Washington: [publisher not identified], 1932.

MLA (9th ed.) Citation

United States. Postmaster General. Supplemental Instructions Relative to Declaration of Full Value and Collection of Required Surcharges on Domestic Registered Mail. [publisher not identified], 1932.