MLA

Vetulani, Zygmunt, et al. Human Language Technology. Challenges of the Information Society. Springer Berlin Heidelberg, 2009.

APA

Vetulani, Z., Kanade, T., Uszkoreit, H., & Kittler, J. (2009). Human Language Technology. Challenges of the Information Society. Springer Berlin Heidelberg.

Chicago

Vetulani, Zygmunt, Takeo Kanade, Hans Uszkoreit, and Josef Kittler. Human Language Technology. Challenges of the Information Society. : Springer Berlin Heidelberg, 2009.