Cita APA (7a ed.)
Wagner, W. (2010). Steven Bird, Ewan Klein and Edward Loper: Natural Language Processing with Python, Analyzing Text with the Natural Language Toolkit. Language Resources & Evaluation, 44(4), 421-425.
Cita Chicago Style (17a ed.)
Wagner, Wiebke. "Steven Bird, Ewan Klein and Edward Loper: Natural Language Processing with Python, Analyzing Text with the Natural Language Toolkit." Language Resources & Evaluation 44, no. 4 (2010): 421-425.
Cita MLA (9a ed.)
Wagner, Wiebke. "Steven Bird, Ewan Klein and Edward Loper: Natural Language Processing with Python, Analyzing Text with the Natural Language Toolkit." Language Resources & Evaluation, vol. 44, no. 4, 2010, pp. 421-425.
Precaución: Estas citas no son 100% exactas.