APA (7th ed.) Citation

Locklin, D. P. (1966). Economics of transportation / by D.P. Locklin (6th ed.). Irwin.

Chicago Style (17th ed.) Citation

Locklin, D. P. Economics of Transportation / by D.P. Locklin. 6th ed. Irwin, 1966.

MLA (9th ed.) Citation

Locklin, D. P. Economics of Transportation / by D.P. Locklin. 6th ed. Irwin, 1966.

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