APA (7th ed.) Citation

United States. Army. Air Corps. (1923). Pennsylvania, Middletown, Olmsted Field. U.S. GPO.

Chicago Style (17th ed.) Citation

United States. Army. Air Corps. Pennsylvania, Middletown, Olmsted Field. Washington: U.S. GPO, 1923.

MLA (9th ed.) Citation

United States. Army. Air Corps. Pennsylvania, Middletown, Olmsted Field. U.S. GPO, 1923.

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