APA (7th ed.) Citation

Bartelmann, M. (1997). On arcs in x-ray clusters: Ludwig Biermann Award Lecture. Gravitation.

Chicago Style (17th ed.) Citation

Bartelmann, Matthias. "On Arcs in X-ray Clusters: Ludwig Biermann Award Lecture." Gravitation 1997.

MLA (9th ed.) Citation

Bartelmann, Matthias. "On Arcs in X-ray Clusters: Ludwig Biermann Award Lecture." Gravitation, 1997.

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