MLA

Liu, et al. Mobile Computing, Applications, and Services. Springer International Publishing, 2020.

APA

Liu, L., Bi, Z., Gao, H., & Yin, Y. (2020). Mobile Computing, Applications, and Services. Springer International Publishing.

Chicago

Liu, Zhongqin Bi, Honghao Gao, and Yuyu Yin. Mobile Computing, Applications, and Services. : Springer International Publishing, 2020.