APA (7th ed.) Citation

Quirrenbach, A., Reffert, S., & Bergmann, C. (2011). Planets around giant stars. Arxiv.

Chicago Style (17th ed.) Citation

Quirrenbach, Andreas, Sabine Reffert, and Christoph Bergmann. "Planets Around Giant Stars." Arxiv 2011.

MLA (9th ed.) Citation

Quirrenbach, Andreas, et al. "Planets Around Giant Stars." Arxiv, 2011.