APA (7th ed.) Citation

Locklin, D. P. (1954). Economics of transportation (4th ed.). Irwin.

Chicago Style (17th ed.) Citation

Locklin, D. Philip. Economics of Transportation. 4th ed. Homewood, Ill: Irwin, 1954.

MLA (9th ed.) Citation

Locklin, D. Philip. Economics of Transportation. 4th ed. Irwin, 1954.

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