APA (7th ed.) Citation

United States. Army. Air Corps. (1920). Standard 50-hour endurance test of Packard model 1A-744 8-cylinder aviation engine. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Standard 50-hour Endurance Test of Packard Model 1A-744 8-cylinder Aviation Engine. Washington: U.S. GPO, 1920.

MLA (9th ed.) Citation

United States. Army. Air Corps. Standard 50-hour Endurance Test of Packard Model 1A-744 8-cylinder Aviation Engine. U.S. GPO, 1920.

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