APA (7th ed.) Citation

Williams, L. L., Navarro, J. F., & Bartelmann, M. (1999). The core structure of galaxy clusters from gravitational lensing. Arxiv.

Chicago Style (17th ed.) Citation

Williams, Liliya L., Julio F. Navarro, and Matthias Bartelmann. "The Core Structure of Galaxy Clusters from Gravitational Lensing." Arxiv 1999.

MLA (9th ed.) Citation

Williams, Liliya L., et al. "The Core Structure of Galaxy Clusters from Gravitational Lensing." Arxiv, 1999.