MLA

Hatzfeld, Christian, and Thorsten A Kern. Engineering Haptic Devices. Springer London, 2014.

APA

Hatzfeld, C., & Kern, T. A. (2014). Engineering Haptic Devices. Springer London.

Chicago

Hatzfeld, Christian, and Thorsten A Kern. Engineering Haptic Devices. : Springer London, 2014.