United States Postal Service. (1999). Directives and forms catalog. [Document Control Division, Office of Information Services, Information Resource Management Dept], U.S. Postal Service].
Chicago Style (17th ed.) CitationUnited States Postal Service. Directives and Forms Catalog. [Washington, D.C.]: [Document Control Division, Office of Information Services, Information Resource Management Dept], U.S. Postal Service], 1999.
MLA (9th ed.) CitationUnited States Postal Service. Directives and Forms Catalog. [Document Control Division, Office of Information Services, Information Resource Management Dept], U.S. Postal Service], 1999.
Warning: These citations may not always be 100% accurate.