APA (7th ed.) Citation

Collaboration, T., Abraham, J., Abreu, P., Aglietta, M., Aguirre, C., Ahn, E., . . . Ave, M. (2009). Astrophysical Sources of Cosmic Rays and Related Measurements with the Pierre Auger Observatory.

Chicago Style (17th ed.) Citation

Collaboration, TPA, et al. Astrophysical Sources of Cosmic Rays and Related Measurements with the Pierre Auger Observatory. 2009.

MLA (9th ed.) Citation

Collaboration, TPA, et al. Astrophysical Sources of Cosmic Rays and Related Measurements with the Pierre Auger Observatory. 2009.

Warning: These citations may not always be 100% accurate.