APA (7th ed.) Citation

United States. Postmaster General. (1926). Special-delivery service with Italy, effective Oct. 15, 1926. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Special-delivery Service with Italy, Effective Oct. 15, 1926. Washington: U.S. GPO, 1926.

MLA (9th ed.) Citation

United States. Postmaster General. Special-delivery Service with Italy, Effective Oct. 15, 1926. U.S. GPO, 1926.

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