MLA

Petrov, Slav, and Eugene Charniak. Coarse-to-fine Natural Language Processing. Springer Berlin Heidelberg, 2012.

APA

Petrov, S., & Charniak, E. (2012). Coarse-to-Fine Natural Language Processing. Springer Berlin Heidelberg.

Chicago

Petrov, Slav, and Eugene Charniak. Coarse-To-Fine Natural Language Processing. : Springer Berlin Heidelberg, 2012.