MLA

Bussler, Christoph, et al. Technologies for E-services. Springer Berlin / Heidelberg, 2006.

APA

Bussler, C., Kanade, T., Shan, M., & Kittler, J. (2006). Technologies for E-Services. Springer Berlin / Heidelberg.

Chicago

Bussler, Christoph, Takeo Kanade, Ming-Chien Shan, and Josef Kittler. Technologies for E-Services. : Springer Berlin / Heidelberg, 2006.