APA (7th ed.) Citation

Barbosa, L. S., Henriques, P. R., & Sanchez, A. (2011). Towards rigorous analysis of open source software.

Chicago Style (17th ed.) Citation

Barbosa, L. S., Pedro Rangel Henriques, and Alejandro Sanchez. Towards Rigorous Analysis of Open Source Software. 2011.

MLA (8th ed.) Citation

Barbosa, L. S., et al. Towards Rigorous Analysis of Open Source Software. 2011.