APA (7th ed.) Citation

Liu, H., Liu, X., Effenberger, F., Chand, N., Qi, X., & Li, G. (2018). Optical Implementation of Butler Matrix for Hardware-Efficient Multiuser Beamforming. IEEE.

Chicago Style (17th ed.) Citation

Liu, Huiyuan, Xiang Liu, Frank Effenberger, Naresh Chand, Xiaofeng Qi, and Guifang Li. Optical Implementation of Butler Matrix for Hardware-Efficient Multiuser Beamforming. IEEE, 2018.

MLA (9th ed.) Citation

Liu, Huiyuan, et al. Optical Implementation of Butler Matrix for Hardware-Efficient Multiuser Beamforming. IEEE, 2018.