APA (7th ed.) Citation

Surdeanu, M., Ciaramita, M., & Zaragoza, H. Learning to Rank Answers to Non-Factoid Questions from Web Collections. The MIT Press.

Chicago Style (17th ed.) Citation

Surdeanu, Mihai, Massimiliano Ciaramita, and Hugo Zaragoza. Learning to Rank Answers to Non-Factoid Questions from Web Collections. The MIT Press.

MLA (9th ed.) Citation

Surdeanu, Mihai, et al. Learning to Rank Answers to Non-Factoid Questions from Web Collections. The MIT Press.