Gerlough, D. L., Gerlough, D. L., & Wagner, F. A. (1964). Improved criteria for traffic signals at individual intersections: Interim report. Highway Research Board.
Citazione stile Chigago Style (17a edizione)Gerlough, D. L., Daniel L. Gerlough, e Frederick A. Wagner. Improved Criteria for Traffic Signals at Individual Intersections: Interim Report. [Washington]: Highway Research Board, 1964.
Citatione MLA (9a ed.)Gerlough, D. L., et al. Improved Criteria for Traffic Signals at Individual Intersections: Interim Report. Highway Research Board, 1964.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.