MLA

Hu, et al. Ambient Communications and Computer Systems. Springer Singapore, 2019.

APA

Hu, H., Mishra, K. K, Tiwari, S., & Trivedi, M. C. (2019). Ambient Communications and Computer Systems. Springer Singapore.

Chicago

Hu, Krishn K Mishra, Shailesh Tiwari, and Munesh C Trivedi. Ambient Communications and Computer Systems. : Springer Singapore, 2019.