American Psychological Association 6th edition

Perkins, J. [ca. 2014]. Python 3 text processing with NLTK 3 cookbook : over 80 practical recipes on natural language processing techniques using Python’s NLTK 3.0. In Safari Tech Books Online [Cd]. Birmingham, UK: Packt Pub.

ISO-690 (author-date, English)

PERKINS, Jacob, 2014. Python 3 text processing with NLTK 3 cookbook : over 80 practical recipes on natural language processing techniques using Python’s NLTK 3.0. Birmingham, UK: Packt Pub. ISBN 9781782167860.

Modern Language Association 9th edition

Perkins, J. „Python 3 text processing with NLTK 3 cookbook : over 80 practical recipes on natural language processing techniques using Python’s NLTK 3.0“. Safari Tech Books Online, cd, Packt Pub., 2014.

Mohr Siebeck - Recht (Deutsch - Österreich)

Perkins, Jacob: Python 3 text processing with NLTK 3 cookbook : over 80 practical recipes on natural language processing techniques using Python’s NLTK 3.0, Birmingham, UK 2014.

Emerald - Harvard

Perkins, J. (2014), Python 3 text processing with NLTK 3 cookbook : over 80 practical recipes on natural language processing techniques using Python’s NLTK 3.0, Safari Tech Books Online, Bd. , Packt Pub., Birmingham, UK.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.