APA (7th ed.) Citation

Yiu, K., Ho, C., Huo, J., & Nordholm, S. (2009). An echo cancellation solution for voice control devices.

Chicago Style (17th ed.) Citation

Yiu, K., C. Ho, J. Huo, and Sven Nordholm. An Echo Cancellation Solution for Voice Control Devices. 2009.

MLA (9th ed.) Citation

Yiu, K., et al. An Echo Cancellation Solution for Voice Control Devices. 2009.