APA (7th ed.) Citation

United States. Postmaster General. (1925). Merchandise packages up to 8 ounces for Canada, Cuba, Mexico, and Republic of Panama. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Merchandise Packages Up to 8 Ounces for Canada, Cuba, Mexico, and Republic of Panama. Washington: U.S. GPO, 1925.

MLA (9th ed.) Citation

United States. Postmaster General. Merchandise Packages Up to 8 Ounces for Canada, Cuba, Mexico, and Republic of Panama. U.S. GPO, 1925.

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