Cita APA

 Brockenbrough Roger L. (2003).  Highway engineering: Handbook.  McGraw-Hill.

Chicago Style Citation

 Brockenbrough Roger L.  Highway Engineering: Handbook.  McGraw-Hill, 2003.

Cita MLA

 Brockenbrough Roger L.  Highway Engineering: Handbook.  McGraw-Hill, 2003.

Atenció: Aquestes cites poden no estar 100% correctes.