APA (7th ed.) Citation

United States. Army. Air Corps. (1921). Report on standard test of Mosler spark plugs, model M-1 (Power Plant Section report). U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Report on Standard Test of Mosler Spark Plugs, Model M-1 (Power Plant Section Report). Washington: U.S. GPO, 1921.

MLA (9th ed.) Citation

United States. Army. Air Corps. Report on Standard Test of Mosler Spark Plugs, Model M-1 (Power Plant Section Report). U.S. GPO, 1921.

Warning: These citations may not always be 100% accurate.