APA (7th ed.) Citation

Hay, W. W. (1977). An introduction to transportation engineering / (by) William W. Hay (2nd ed.). Wiley.

Chicago Style (17th ed.) Citation

Hay, William W. An Introduction to Transportation Engineering / (by) William W. Hay. 2nd ed. New York ; London (etc.): Wiley, 1977.

MLA (9th ed.) Citation

Hay, William W. An Introduction to Transportation Engineering / (by) William W. Hay. 2nd ed. Wiley, 1977.

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