Cita APA

Hall, R., & Hall, R. (1981). Railroad train blocking for fuel efficiency. Berkeley, Calif.: Institute of Transportation Studies University of California.

Citación estilo Chicago

Hall, Randolph, y Randolph Hall. Railroad Train Blocking for Fuel Efficiency. Berkeley, Calif.: Institute of Transportation Studies University of California, 1981.

Cita MLA

Hall, Randolph, y Randolph Hall. Railroad Train Blocking for Fuel Efficiency. Berkeley, Calif.: Institute of Transportation Studies University of California, 1981.