APA引文

United States Postal Service. (1982). Stamps & Stories: The Encyclopedia of U.S. Stamps (8.). U.S. Postal Service.

Chicago Style (17th ed.) Citation

United States Postal Service. Stamps & Stories: The Encyclopedia of U.S. Stamps. 8. Estados Unidos: U.S. Postal Service, 1982.

MLA引文

United States Postal Service. Stamps & Stories: The Encyclopedia of U.S. Stamps. 8. U.S. Postal Service, 1982.

警告：這些引文格式不一定是100％准確.