MLA

Ao, et al. Transactions On Engineering Technologies. Springer Singapore, 2020.

APA

Ao, A., Amouzegar, M. A, Ao, S., & Kim, H. (2020). Transactions on Engineering Technologies. Springer Singapore.

Chicago

Ao, Mahyar A Amouzegar, Sio-Iong Ao, and Haeng-kon Kim. Transactions On Engineering Technologies. : Springer Singapore, 2020.