Dieball, A., & Grebel, E. K. (1998). The binary star cluster SL 538 / NGC 2006 (SL 537). Astronomy & astrophysics, 339, .
Chicago Style (17th ed.) CitationDieball, Andrea, and Eva K. Grebel. "The Binary Star Cluster SL 538 / NGC 2006 (SL 537)." Astronomy & Astrophysics 339 (1998).
MLA (9th ed.) CitationDieball, Andrea, and Eva K. Grebel. "The Binary Star Cluster SL 538 / NGC 2006 (SL 537)." Astronomy & Astrophysics, vol. 339, 1998.
Warning: These citations may not always be 100% accurate.