Cita APA (7a ed.)

Hay, W. W. (1982). Railroad engineering (2nd ed.). John Wiley & Sons.

Cita Chicago Style (17a ed.)

Hay, William Walter. Railroad Engineering. 2nd ed. New York [etc.]: John Wiley & Sons, 1982.

Cita MLA (9a ed.)

Hay, William Walter. Railroad Engineering. 2nd ed. John Wiley & Sons, 1982.