Human Language Technology. Challenges for Computer Science and Linguistics
  MLA
  Vetulani, Zygmunt, Takeo Kanade, and Josef Kittler. Human Language Technology. Challenges for Computer Science and Linguistics. Springer Berlin Heidelberg, 2011.
  APA
  Vetulani, Z., Kanade, T., & Kittler, J. (2011). Human Language Technology. Challenges for Computer Science and Linguistics. Springer Berlin Heidelberg.
  Chicago
  Vetulani, Zygmunt, Takeo Kanade, and Josef Kittler. Human Language Technology. Challenges for Computer Science and Linguistics. : Springer Berlin Heidelberg, 2011.