APA Citation

 Jurafsky, D. (2009).  Speech and language processing: An Introduction to natural language processing, computational linguistics and speech recognition.  Pearson Prentice Hall.

Chicago Style Citation

 Jurafsky, Dan.  Speech and Language Processing: An Introduction to Natural Language Processing, Computational Linguistics and Speech Recognition.  Pearson Prentice Hall, 2009.

MLA Citation

 Jurafsky, Dan.  Speech and Language Processing: An Introduction to Natural Language Processing, Computational Linguistics and Speech Recognition.  Pearson Prentice Hall, 2009.

Warning: These citations may not always be 100% accurate.