MLA

Rao, and Sunil Kumar Kopparapu. Friendly Interfaces Between Humans and Machines. Springer Singapore, 2018.

APA

Rao, R., & Kopparapu, S. Kumar. (2018). Friendly Interfaces Between Humans and Machines. Springer Singapore.

Chicago

Rao, and Sunil Kumar Kopparapu. Friendly Interfaces Between Humans and Machines. : Springer Singapore, 2018.