APA (7th ed.) Citation

Allen, W. B. (1975). A model of the demand for transportation: The case of air freight. A Xerox Co..

Chicago Style (17th ed.) Citation

Allen, William Bruce. A Model of the Demand for Transportation: The Case of Air Freight. Ann Arbour, Mich: A Xerox Co., 1975.

MLA (8th ed.) Citation

Allen, William Bruce. A Model of the Demand for Transportation: The Case of Air Freight. A Xerox Co., 1975.