MLA

Hutchison, David, et al. Aspects of Natural Language Processing. Springer Berlin Heidelberg, 2009.

APA

Hutchison, D., Kanade, T., Kittler, J., & Mykowiecka, A. (2009). Aspects of Natural Language Processing. Springer Berlin Heidelberg.

Chicago

Hutchison, David, Takeo Kanade, Josef Kittler, and Agnieszka Mykowiecka. Aspects of Natural Language Processing. : Springer Berlin Heidelberg, 2009.