APA (7th ed.) Citation

Southworth, J., Liebig, C., & Zimmer, F. (2009). Physical properties of the 0.94-day period transiting planetary system WASP-18. Arxiv.

Chicago Style (17th ed.) Citation

Southworth, John, Christine Liebig, and Fabian Zimmer. "Physical Properties of the 0.94-day Period Transiting Planetary System WASP-18." Arxiv 2009.

MLA (9th ed.) Citation

Southworth, John, et al. "Physical Properties of the 0.94-day Period Transiting Planetary System WASP-18." Arxiv, 2009.