Chai, C., Shi, X., & Wong, Y. D. Estimating Safety Effects of Green-Man Countdown Devices at Signalized Pedestrian Crosswalk Based on Cellular Automata. Wiley.
Chicago Style (17th ed.) CitationChai, Chen, Xiupeng Shi, and Yiik Diew Wong. Estimating Safety Effects of Green-Man Countdown Devices at Signalized Pedestrian Crosswalk Based on Cellular Automata. Wiley.
MLA (9th ed.) CitationChai, Chen, et al. Estimating Safety Effects of Green-Man Countdown Devices at Signalized Pedestrian Crosswalk Based on Cellular Automata. Wiley.
Warning: These citations may not always be 100% accurate.