Perkins, J. (2010). Python text processing with NLTK 2.0 cookbook: Over 80 practical recipes for using Python's NLTK suite of libraries to maximize your natural language processing capabilities. Packt Pub.
Chicago Style (17th ed.) CitationPerkins, Jacob. Python Text Processing with NLTK 2.0 Cookbook: Over 80 Practical Recipes for Using Python's NLTK Suite of Libraries to Maximize Your Natural Language Processing Capabilities. Birmingham, U.K: Packt Pub, 2010.
MLA (9th ed.) CitationPerkins, Jacob. Python Text Processing with NLTK 2.0 Cookbook: Over 80 Practical Recipes for Using Python's NLTK Suite of Libraries to Maximize Your Natural Language Processing Capabilities. Packt Pub, 2010.
Warning: These citations may not always be 100% accurate.