APA (7th ed.) Citation

Pang, B., & Lee, L. (2008). Opinion mining and sentiment analysis. Now Publishers.

Chicago Style (17th ed.) Citation

Pang, Bo, and Lillian Lee. Opinion Mining and Sentiment Analysis. Hanover, MA: Now Publishers, 2008.

MLA (9th ed.) Citation

Pang, Bo, and Lillian Lee. Opinion Mining and Sentiment Analysis. Now Publishers, 2008.