APA (7th ed.) Citation

Vetter, E. G. (1940). Aeronautics simplified: Examination questions and answers, together with a glossary of terms, illustrations and general instructions, compiled to aid applicants for airplane pilot certificates. Foster & Stewart Pub. Corp.

Chicago Style (17th ed.) Citation

Vetter, Ernest G. Aeronautics Simplified: Examination Questions and Answers, Together with a Glossary of Terms, Illustrations and General Instructions, Compiled to Aid Applicants for Airplane Pilot Certificates. Buffalo, N.Y.: Foster & Stewart Pub. Corp, 1940.

MLA (9th ed.) Citation

Vetter, Ernest G. Aeronautics Simplified: Examination Questions and Answers, Together with a Glossary of Terms, Illustrations and General Instructions, Compiled to Aid Applicants for Airplane Pilot Certificates. Foster & Stewart Pub. Corp, 1940.