APA (7th ed.) Citation

Luz, N., Silva, N., & Novais, P. (2015). A survey of task-oriented crowdsourcing.

Chicago Style (17th ed.) Citation

Luz, Nuno, Nuno Silva, and Paulo Novais. A Survey of Task-oriented Crowdsourcing. 2015.

MLA (8th ed.) Citation

Luz, Nuno, et al. A Survey of Task-oriented Crowdsourcing. 2015.