APA (7th ed.) Citation

Locklin, D. P. (1939). Economics of transportation (Rev.ed., 2.print.). Business Publ.

Chicago Style (17th ed.) Citation

Locklin, D. Philip. Economics of Transportation. Rev.ed., 2.print. Chicago: Business Publ, 1939.

MLA (9th ed.) Citation

Locklin, D. Philip. Economics of Transportation. Rev.ed., 2.print. Business Publ, 1939.