Hay, W. W. 1., & Hay, W. W. 1. (1961). An introduction to transportation engineering. New York, New York.
Chicago Style CitationHay, William Walter 1908-, and William Walter 1908- Hay. An Introduction to Transportation Engineering. New York, New York, 1961.
MLA CitationHay, William Walter 1908-, and William Walter 1908- Hay. An Introduction to Transportation Engineering. New York, New York, 1961.
Warning: These citations may not always be 100% accurate.