APA引文

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.

MLA引文

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

警告：这些引文格式不一定是100％准确.