Cita APA

Official Airline Guides, inc. Airline map of the United States. American Aviation Publications.

Chicago Style (17th ed.) Citation

Official Airline Guides, inc. Airline Map of the United States. [Chicago, Ill.: American Aviation Publications.

Cita MLA

Official Airline Guides, inc. Airline Map of the United States. American Aviation Publications.

Atenció: Aquestes cites poden no estar 100% correctes.