APA (7th ed.) Citation

Ptushkin,V.S, Rogovaya, S., & Zirakashvili, V. Spectrum of ultra-high energy cosmic rays from cluster accretion shocks.

Chicago Style (17th ed.) Citation

Ptushkin,V.S, S.I Rogovaya, and V.N Zirakashvili. Spectrum of Ultra-high Energy Cosmic Rays from Cluster Accretion Shocks.

MLA (9th ed.) Citation

Ptushkin,V.S, et al. Spectrum of Ultra-high Energy Cosmic Rays from Cluster Accretion Shocks.

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