| APA | UIEO. (2012, February 15). In Acronym Geek. Retrieved 00:52, February 15, 2012, from http://www.acronymgeek.com/UIEO |
| MLA | "UIEO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/UIEO>. |
| MHRA | 'UIEO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/UIEO> [accessed 15 February 2012] |
| Chicago | "UIEO", http://www.acronymgeek.com/UIEO (accessed February 15, 2012). |
| CBE/CSE | UIEO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/UIEO. |
| Bluebook | UIEO, http://www.acronymgeek.com/UIEO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UIEO, http://www.acronymgeek.com/UIEO (optional description here) (as of Feb. 15, 2012, 00:52). |
| AMA | UIEO. Acronym Geek. February 15, 2012, 00:52. Available at: http://www.acronymgeek.com/UIEO. Accessed February 15, 2012, 00:52. |