APA (7th ed.) Citation

Aharonian, F. A., Tibolla, O., Wagner, S., Behera, B., Hauser, M., Kaufmann, S., . . . Tam, P. H. (2008). Limits on an energy dependence of the speed of light from a flare of the active galaxy PKS 2155-304. Physical review letters, 101(17), . https://doi.org/10.1103/PhysRevLett.101.170402

Chicago Style (17th ed.) Citation

Aharonian, Felix A., et al. "Limits on an Energy Dependence of the Speed of Light from a Flare of the Active Galaxy PKS 2155-304." Physical Review Letters 101, no. 17 (2008). https://doi.org/10.1103/PhysRevLett.101.170402.

MLA (9th ed.) Citation

Aharonian, Felix A., et al. "Limits on an Energy Dependence of the Speed of Light from a Flare of the Active Galaxy PKS 2155-304." Physical Review Letters, vol. 101, no. 17, 2008, https://doi.org/10.1103/PhysRevLett.101.170402.