| APA | SX. (2012, February 10). In Acronym Geek. Retrieved 10:41, February 10, 2012, from http://www.acronymgeek.com/SX |
| MLA | "SX." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/SX>. |
| MHRA | 'SX', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/SX> [accessed 10 February 2012] |
| Chicago | "SX", http://www.acronymgeek.com/SX (accessed February 10, 2012). |
| CBE/CSE | SX [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/SX. |
| Bluebook | SX, http://www.acronymgeek.com/SX (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SX, http://www.acronymgeek.com/SX (optional description here) (as of Feb. 10, 2012, 10:41). |
| AMA | SX. Acronym Geek. February 10, 2012, 10:41. Available at: http://www.acronymgeek.com/SX. Accessed February 10, 2012, 10:41. |