APA (7th ed.) Citation

Sousa, P., Machado, A., Rocha, M., Cortez, P., & Rio, M. (2010). A collaborative approach for spam detection.

Chicago Style (17th ed.) Citation

Sousa, Pedro, Artur Machado, Miguel Rocha, Paulo Cortez, and Miguel Rio. A Collaborative Approach for Spam Detection. 2010.

MLA (8th ed.) Citation

Sousa, Pedro, et al. A Collaborative Approach for Spam Detection. 2010.