| APA | IXO. (2012, February 11). In Acronym Geek. Retrieved 20:44, February 11, 2012, from http://www.acronymgeek.com/IXO |
| MLA | "IXO." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/IXO>. |
| MHRA | 'IXO', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/IXO> [accessed 11 February 2012] |
| Chicago | "IXO", http://www.acronymgeek.com/IXO (accessed February 11, 2012). |
| CBE/CSE | IXO [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/IXO. |
| Bluebook | IXO, http://www.acronymgeek.com/IXO (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IXO, http://www.acronymgeek.com/IXO (optional description here) (as of Feb. 11, 2012, 20:44). |
| AMA | IXO. Acronym Geek. February 11, 2012, 20:44. Available at: http://www.acronymgeek.com/IXO. Accessed February 11, 2012, 20:44. |