MLA

Fang Chen, Fang Chen, and Kristiina Jokinen. Speech Technology. Springer US, 2010.

APA

Fang Chen, F. Chen, Chen, F., & Jokinen, K. (2010). Speech Technology. Springer US.

Chicago

Fang Chen, Fang Chen, and Kristiina Jokinen. Speech Technology. : Springer US, 2010.