APA aipamena

University, U. c. S. L. (1939). Cadets of Class 40-A walk down the flight line wearing their parachutes.

Chicago Style aipamena

University, Unknown creator; St. Louis. Cadets of Class 40-A Walk Down the Flight Line Wearing Their Parachutes. 1939.

MLA aipamena

University, Unknown creator; St. Louis. Cadets of Class 40-A Walk Down the Flight Line Wearing Their Parachutes. 1939.