APA (7th ed.) Citation

Cortes, E., Woloszyn, V., Barone, D., Moller, S., & Vieira, R. (2021). A systematic review of question answering systems for non-factoid questions.

Chicago Style (17th ed.) Citation

Cortes, Eduardo, Vinicius Woloszyn, Dante Barone, Sebastian Moller, and Renata Vieira. A Systematic Review of Question Answering Systems for Non-factoid Questions. 2021.

MLA (8th ed.) Citation

Cortes, Eduardo, et al. A Systematic Review of Question Answering Systems for Non-factoid Questions. 2021.