Cita APA (7a ed.)

Robertson, H. D. (1994). Manual of transportation engineering studies. Prentice-Hall.

Cita Chicago Style (17a ed.)

Robertson, H. Douglas. Manual of Transportation Engineering Studies. Englewood Cliffs: Prentice-Hall, 1994.

Cita MLA (9a ed.)

Robertson, H. Douglas. Manual of Transportation Engineering Studies. Prentice-Hall, 1994.