APA (7th ed.) Citation

Harker, P. T. (1987). Predicting intercity freight flows. VNU Science Press.

Chicago Style (17th ed.) Citation

Harker, P. T. Predicting Intercity Freight Flows. Utrecht, Netherlands: VNU Science Press, 1987.

MLA (9th ed.) Citation

Harker, P. T. Predicting Intercity Freight Flows. VNU Science Press, 1987.

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