APA (7th ed.) Citation

Carvalho, G., Matos, D. M. d., & Rocio, V. (2017). Document retrieval for question answering: A quantitative evaluation of text preprocessing.

Chicago Style (17th ed.) Citation

Carvalho, Gracinda, David Martins de Matos, and Vitor Rocio. Document Retrieval for Question Answering: A Quantitative Evaluation of Text Preprocessing. 2017.

MLA (8th ed.) Citation

Carvalho, Gracinda, et al. Document Retrieval for Question Answering: A Quantitative Evaluation of Text Preprocessing. 2017.