APA (7th ed.) Citation

United States. Postmaster General. (1932). Increased postage rates on letters and post cards to Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, Guatemala, Haiti, Honduras (Republic of), Mexico, Nicaragua, Panama, Paraguay, Peru, Salvador (El), Spain (including Andorra, Balearic Islands, Canary Islands, and Spanish possessions in northern Africa), Uruguay, and Venezuela. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Postmaster General. Increased Postage Rates on Letters and Post Cards to Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, Guatemala, Haiti, Honduras (Republic of), Mexico, Nicaragua, Panama, Paraguay, Peru, Salvador (El), Spain (including Andorra, Balearic Islands, Canary Islands, and Spanish Possessions in Northern Africa), Uruguay, and Venezuela. Washington: U.S. GPO, 1932.

MLA (9th ed.) Citation

United States. Postmaster General. Increased Postage Rates on Letters and Post Cards to Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, Guatemala, Haiti, Honduras (Republic of), Mexico, Nicaragua, Panama, Paraguay, Peru, Salvador (El), Spain (including Andorra, Balearic Islands, Canary Islands, and Spanish Possessions in Northern Africa), Uruguay, and Venezuela. U.S. GPO, 1932.