Cita APA (7a ed.)

Locklin, P. (1960). Economics of transportation (5th ed., 1st printing.). Richard D. Irwin.

Cita Chicago Style (17a ed.)

Locklin, Philip. Economics of Transportation. 5th ed., 1st printing. Homewood (Illinois): Richard D. Irwin, 1960.

Cita MLA (9a ed.)

Locklin, Philip. Economics of Transportation. 5th ed., 1st printing. Richard D. Irwin, 1960.

Precaución: Estas citas no son 100% exactas.