United States Postal Service. Office of Inspector General. (2017). Delayed mail validation: Audit report. Office of the Inspector General, United States Postal Service.
Chicago Style (17th ed.) CitationUnited States Postal Service. Office of Inspector General. Delayed Mail Validation: Audit Report. Arlington, VA: Office of the Inspector General, United States Postal Service, 2017.
MLA (9th ed.) CitationUnited States Postal Service. Office of Inspector General. Delayed Mail Validation: Audit Report. Office of the Inspector General, United States Postal Service, 2017.
Warning: These citations may not always be 100% accurate.