United States. Army. Air Corps. (1921). Report of cooling system flight test of Fokker D-VII with Mercedes engine. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Army. Air Corps. Report of Cooling System Flight Test of Fokker D-VII with Mercedes Engine. Washington: U.S. GPO, 1921.
MLA (9th ed.) CitationUnited States. Army. Air Corps. Report of Cooling System Flight Test of Fokker D-VII with Mercedes Engine. U.S. GPO, 1921.
Warning: These citations may not always be 100% accurate.