APA (7th ed.) Citation

Ruppenthal, K. M. (1965). Issues in transportation economics / by K.M. Ruppenthal. Merrill.

Chicago Style (17th ed.) Citation

Ruppenthal, K. M. Issues in Transportation Economics / by K.M. Ruppenthal. Merrill, 1965.

MLA (9th ed.) Citation

Ruppenthal, K. M. Issues in Transportation Economics / by K.M. Ruppenthal. Merrill, 1965.

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