APA (7e ed.) Bronvermelding

University, U. c. S. L. (1942). Stearman trainers on the flight line at Curtiss-Steinberg Field.

Chicago (17e ed.) Bronvermelding

University, Unknown creator; St. Louis. Stearman Trainers on the Flight Line at Curtiss-Steinberg Field. 1942.

MLA (8e ed.) Bronvermelding

University, Unknown creator; St. Louis. Stearman Trainers on the Flight Line at Curtiss-Steinberg Field. 1942.