MLA

Ao, Len Gelman, and Haeng-kon Kim. Transactions On Engineering Technologies. Springer Singapore, 2019.

APA

Ao, A., Gelman, L., & Kim, H. (2019). Transactions on Engineering Technologies. Springer Singapore.

Chicago

Ao, Len Gelman, and Haeng-kon Kim. Transactions On Engineering Technologies. : Springer Singapore, 2019.