Ling, Z., Zhang, S. N., Xiang, J., & Tang, S. (2009). A Study of the X-Ray Dust Scattering Halo of Cyg X-1 with a Cross-Correlation Method. The Astrophysical journal, 690(1), 224-230. https://doi.org/10.1088/0004-637X/690/1/224
Chicago Style (17th ed.) CitationLing, Zhixing, Shuang Nan Zhang, Jingen Xiang, and Shichao Tang. "A Study of the X-Ray Dust Scattering Halo of Cyg X-1 with a Cross-Correlation Method." The Astrophysical Journal 690, no. 1 (2009): 224-230. https://doi.org/10.1088/0004-637X/690/1/224.
MLA (9th ed.) CitationLing, Zhixing, et al. "A Study of the X-Ray Dust Scattering Halo of Cyg X-1 with a Cross-Correlation Method." The Astrophysical Journal, vol. 690, no. 1, 2009, pp. 224-230, https://doi.org/10.1088/0004-637X/690/1/224.
Warning: These citations may not always be 100% accurate.