| APA | USX. (2012, February 13). In Acronym Geek. Retrieved 23:15, February 13, 2012, from http://www.acronymgeek.com/USX |
| MLA | "USX." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/USX>. |
| MHRA | 'USX', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/USX> [accessed 13 February 2012] |
| Chicago | "USX", http://www.acronymgeek.com/USX (accessed February 13, 2012). |
| CBE/CSE | USX [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/USX. |
| Bluebook | USX, http://www.acronymgeek.com/USX (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, USX, http://www.acronymgeek.com/USX (optional description here) (as of Feb. 13, 2012, 23:15). |
| AMA | USX. Acronym Geek. February 13, 2012, 23:15. Available at: http://www.acronymgeek.com/USX. Accessed February 13, 2012, 23:15. |