APA (7th ed.) Citation

Abazajian, K. N., Grebel, E. K., & Vidrih, S. (2009). The seventh data release of the Sloan Digital Sky Survey. The astrophysical journal. Supplement series, 181(2), . https://doi.org/10.1088/0067-0049/182/2/543

Chicago Style (17th ed.) Citation

Abazajian, Kevork N., Eva K. Grebel, and Simon Vidrih. "The Seventh Data Release of the Sloan Digital Sky Survey." The Astrophysical Journal. Supplement Series 181, no. 2 (2009). https://doi.org/10.1088/0067-0049/182/2/543.

MLA (9th ed.) Citation

Abazajian, Kevork N., et al. "The Seventh Data Release of the Sloan Digital Sky Survey." The Astrophysical Journal. Supplement Series, vol. 181, no. 2, 2009, https://doi.org/10.1088/0067-0049/182/2/543.