Cita APA (7a ed.)

Zweng, C. A. (1944). Parachute Technician. Pan American Navigation Service.

Cita Chicago Style (17a ed.)

Zweng, Charles A. Parachute Technician. Hollywood: Pan American Navigation Service, 1944.

Cita MLA (8a ed.)

Zweng, Charles A. Parachute Technician. Pan American Navigation Service, 1944.