APA (7th ed.) Citation

Walker, D. M. (2004). U.S. Postal Service: Key reasons for postal reform. U.S. General Accounting Office.

Chicago Style (17th ed.) Citation

Walker, David M. U.S. Postal Service: Key Reasons for Postal Reform. [Washington, D.C.]: U.S. General Accounting Office, 2004.

MLA (9th ed.) Citation

Walker, David M. U.S. Postal Service: Key Reasons for Postal Reform. U.S. General Accounting Office, 2004.