Cita APA (7th ed.)

Hay, W. W. (1961). An Introduction to Transportation Engineering. John Wiley & Sons, Inc.

Cita Chicago (17th ed.)

Hay, William W. An Introduction to Transportation Engineering. New York: John Wiley & Sons, Inc, 1961.

Cita MLA (9th ed.)

Hay, William W. An Introduction to Transportation Engineering. John Wiley & Sons, Inc, 1961.