Ruppenthal, K. M. (1962). Transportation frontiers. Stanford Univ.
Chicago Style (17th ed.) CitationRuppenthal, Karl Maxwell. Transportation Frontiers. Stanford, Calif., Grad. Sch. of Bus: Stanford Univ, 1962.
MLA (9th ed.) CitationRuppenthal, Karl Maxwell. Transportation Frontiers. Stanford Univ, 1962.
Warning: These citations may not always be 100% accurate.