APA (7th ed.) Citation

Hay, W. W. (1977). An introduction to transportation engineering. Krieger.

Chicago Style (17th ed.) Citation

Hay, Wiliam W. An Introduction to Transportation Engineering. Florida: Krieger, 1977.

MLA (9th ed.) Citation

Hay, Wiliam W. An Introduction to Transportation Engineering. Krieger, 1977.

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