APA (7th ed.) Citation

Trask, R. R. (1991). GAO history, 1921-1991. U.S. General Accounting Office, History Program.

Chicago Style (17th ed.) Citation

Trask, Roger R. GAO History, 1921-1991. Washington, D.C.: U.S. General Accounting Office, History Program, 1991.

MLA (9th ed.) Citation

Trask, Roger R. GAO History, 1921-1991. U.S. General Accounting Office, History Program, 1991.