APA (7th ed.) Citation

Collaboration, T., Abreu, P., Aglietta, M., Ahn, E., Albuquerque, I., Allard, D., . . . Avenier, M. (2011). The Pierre Auger Observatory IV: Operation and Monitoring.

Chicago Style (17th ed.) Citation

Collaboration, TPA, et al. The Pierre Auger Observatory IV: Operation and Monitoring. 2011.

MLA (9th ed.) Citation

Collaboration, TPA, et al. The Pierre Auger Observatory IV: Operation and Monitoring. 2011.