APA (7th ed.) Citation

Ladd, D. R. (1957). Cost data for the management of railroad passenger service. Division of Research Graduate School of Business Administration Harvard University.

Chicago Style (17th ed.) Citation

Ladd, Dwight R. Cost Data for the Management of Railroad Passenger Service. Boston: Division of Research Graduate School of Business Administration Harvard University, 1957.

MLA (9th ed.) Citation

Ladd, Dwight R. Cost Data for the Management of Railroad Passenger Service. Division of Research Graduate School of Business Administration Harvard University, 1957.