Zhao, J., & Wang, Y. (2008, December). Autonomous Ultrasonic Indoor Tracking System. 2008 IEEE International Symposium on Parallel and Distributed Processing with Applications, 532-539. https://doi.org/10.1109/ISPA.2008.37
Chicago Style (17th ed.) CitationZhao, Junhui, and Yongcai Wang. "Autonomous Ultrasonic Indoor Tracking System." 2008 IEEE International Symposium on Parallel and Distributed Processing with Applications Dec. 2008: 532-539. https://doi.org/10.1109/ISPA.2008.37.
MLA (9th ed.) CitationZhao, Junhui, and Yongcai Wang. "Autonomous Ultrasonic Indoor Tracking System." 2008 IEEE International Symposium on Parallel and Distributed Processing with Applications, Dec. 2008, pp. 532-539, https://doi.org/10.1109/ISPA.2008.37.
Warning: These citations may not always be 100% accurate.