APA (7th ed.) Citation

Kharchenko, N. V., Berczik, P., Röser, S., & Schilbach, E. (2008). Shape parameters of Galactic open clusters. Arxiv.

Chicago Style (17th ed.) Citation

Kharchenko, Nina V., Peter Berczik, Siegfried Röser, and Elena Schilbach. "Shape Parameters of Galactic Open Clusters." Arxiv 2008.

MLA (9th ed.) Citation

Kharchenko, Nina V., et al. "Shape Parameters of Galactic Open Clusters." Arxiv, 2008.