| APA | IXU. (2012, February 11). In Acronym Geek. Retrieved 23:04, February 11, 2012, from http://www.acronymgeek.com/IXU |
| MLA | "IXU." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/IXU>. |
| MHRA | 'IXU', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/IXU> [accessed 11 February 2012] |
| Chicago | "IXU", http://www.acronymgeek.com/IXU (accessed February 11, 2012). |
| CBE/CSE | IXU [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/IXU. |
| Bluebook | IXU, http://www.acronymgeek.com/IXU (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IXU, http://www.acronymgeek.com/IXU (optional description here) (as of Feb. 11, 2012, 23:04). |
| AMA | IXU. Acronym Geek. February 11, 2012, 23:04. Available at: http://www.acronymgeek.com/IXU. Accessed February 11, 2012, 23:04. |