APA (7th ed.) Citation

United States. Postmaster General. (1928). Special-delivery service and special-handling service. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Special-delivery Service and Special-handling Service. Washington: U.S. GPO, 1928.

MLA (9th ed.) Citation

United States. Postmaster General. Special-delivery Service and Special-handling Service. U.S. GPO, 1928.

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