| APA | IXI. (2012, February 11). In Acronym Geek. Retrieved 22:02, February 11, 2012, from http://www.acronymgeek.com/IXI |
| MLA | "IXI." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/IXI>. |
| MHRA | 'IXI', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/IXI> [accessed 11 February 2012] |
| Chicago | "IXI", http://www.acronymgeek.com/IXI (accessed February 11, 2012). |
| CBE/CSE | IXI [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/IXI. |
| Bluebook | IXI, http://www.acronymgeek.com/IXI (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IXI, http://www.acronymgeek.com/IXI (optional description here) (as of Feb. 11, 2012, 22:02). |
| AMA | IXI. Acronym Geek. February 11, 2012, 22:02. Available at: http://www.acronymgeek.com/IXI. Accessed February 11, 2012, 22:02. |