| APA | DS9. (2012, February 13). In Acronym Geek. Retrieved 23:46, February 13, 2012, from http://www.acronymgeek.com/DS9 |
| MLA | "DS9." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/DS9>. |
| MHRA | 'DS9', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/DS9> [accessed 13 February 2012] |
| Chicago | "DS9", http://www.acronymgeek.com/DS9 (accessed February 13, 2012). |
| CBE/CSE | DS9 [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/DS9. |
| Bluebook | DS9, http://www.acronymgeek.com/DS9 (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, DS9, http://www.acronymgeek.com/DS9 (optional description here) (as of Feb. 13, 2012, 23:46). |
| AMA | DS9. Acronym Geek. February 13, 2012, 23:46. Available at: http://www.acronymgeek.com/DS9. Accessed February 13, 2012, 23:46. |