MLA

Liu, Zhiguo Ding, and Zhijin Qin. Non-orthogonal Multiple Access for Massive Connectivity. Springer International Publishing, 2020.

APA

Liu, L., Ding, Z., & Qin, Z. (2020). Non-Orthogonal Multiple Access for Massive Connectivity. Springer International Publishing.

Chicago

Liu, Zhiguo Ding, and Zhijin Qin. Non-Orthogonal Multiple Access for Massive Connectivity. : Springer International Publishing, 2020.