APA (7th ed.) Citation

Locklin, D. P. (1960). Economics of transportation (5. ed.). Irwin.

Chicago Style (17th ed.) Citation

Locklin, D. Philip. Economics of Transportation. 5. ed. Homewood, Ill: Irwin, 1960.

MLA (9th ed.) Citation

Locklin, D. Philip. Economics of Transportation. 5. ed. Irwin, 1960.

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