| APA | XJ. (2012, February 11). In Acronym Geek. Retrieved 21:51, February 11, 2012, from http://www.acronymgeek.com/XJ |
| MLA | "XJ." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/XJ>. |
| MHRA | 'XJ', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/XJ> [accessed 11 February 2012] |
| Chicago | "XJ", http://www.acronymgeek.com/XJ (accessed February 11, 2012). |
| CBE/CSE | XJ [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/XJ. |
| Bluebook | XJ, http://www.acronymgeek.com/XJ (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XJ, http://www.acronymgeek.com/XJ (optional description here) (as of Feb. 11, 2012, 21:51). |
| AMA | XJ. Acronym Geek. February 11, 2012, 21:51. Available at: http://www.acronymgeek.com/XJ. Accessed February 11, 2012, 21:51. |