APA Citation

(2015). The role of U.S. airports in the national economy. Washington, D.C.: Transportation Research Board.

Chicago Style Citation

The Role of U.S. Airports in the National Economy. Washington, D.C.: Transportation Research Board, 2015.

MLA Citation

The Role of U.S. Airports in the National Economy. Washington, D.C.: Transportation Research Board, 2015.

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