Cita APA (7th ed.)

Wright, P. H. (1996). Highway engineering (6a. ed.). John Wiley & Sons.

Cita Chicago (17th ed.)

Wright, Paul H. Highway Engineering. 6a. ed. Nueva York: John Wiley & Sons, 1996.

Cita MLA (9th ed.)

Wright, Paul H. Highway Engineering. 6a. ed. John Wiley & Sons, 1996.