APA (7th ed.) Citation

Zweng, C. A. (1943). Flight instructor .. Pan American Navigation Service.

Chicago Style (17th ed.) Citation

Zweng, Charles A. Flight Instructor .. N. Hollywood, Calif.: Pan American Navigation Service, 1943.

MLA (9th ed.) Citation

Zweng, Charles A. Flight Instructor .. Pan American Navigation Service, 1943.

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