APA (7th ed.) Citation

United States. Civil Aeronautics Board. List of U.S. air carriers. Civil Aeronautics Board.

Chicago Style (17th ed.) Citation

United States. Civil Aeronautics Board. List of U.S. Air Carriers. Washington: Civil Aeronautics Board.

MLA (9th ed.) Citation

United States. Civil Aeronautics Board. List of U.S. Air Carriers. Civil Aeronautics Board.

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