APA (7th ed.) Citation

Ackermann, M., Ajello, M., Allafort, A., Baldini, L., Ballet, J., Barbiellini, G., . . . Zimmer, S. (2013). Detection of the characteristic pion-decay signature in supernova remnants. The American Association for the Advancement of Science.

Chicago Style (17th ed.) Citation

Ackermann, M., et al. Detection of the Characteristic Pion-decay Signature in Supernova Remnants. The American Association for the Advancement of Science, 2013.

MLA (9th ed.) Citation

Ackermann, M., et al. Detection of the Characteristic Pion-decay Signature in Supernova Remnants. The American Association for the Advancement of Science, 2013.

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