Cita APA

Hobbs, F. D., & Hobbs, F. D. (1979). Traffic planning and engineering (2. edition.). Oxford: Pergamon.

Citación estilo Chicago

Hobbs, Frederick Derek, y Frederick Derek Hobbs. Traffic Planning and Engineering. 2. edition. Oxford: Pergamon, 1979.

Cita MLA

Hobbs, Frederick Derek, y Frederick Derek Hobbs. Traffic Planning and Engineering. 2. edition. Oxford: Pergamon, 1979.

Precaución: Estas citas no son 100% exactas.