APA (7th ed.) Citation

Bartelmann, M., & Narayan, R. (1994). Gravitational lensing and the mass distribution of clusters. Arxiv.

Chicago Style (17th ed.) Citation

Bartelmann, Matthias, and Ramesh Narayan. "Gravitational Lensing and the Mass Distribution of Clusters." Arxiv 1994.

MLA (9th ed.) Citation

Bartelmann, Matthias, and Ramesh Narayan. "Gravitational Lensing and the Mass Distribution of Clusters." Arxiv, 1994.

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