| APA | IOUN. (2012, February 15). In Acronym Geek. Retrieved 11:55, February 15, 2012, from http://www.acronymgeek.com/IOUN |
| MLA | "IOUN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IOUN>. |
| MHRA | 'IOUN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IOUN> [accessed 15 February 2012] |
| Chicago | "IOUN", http://www.acronymgeek.com/IOUN (accessed February 15, 2012). |
| CBE/CSE | IOUN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IOUN. |
| Bluebook | IOUN, http://www.acronymgeek.com/IOUN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IOUN, http://www.acronymgeek.com/IOUN (optional description here) (as of Feb. 15, 2012, 11:55). |
| AMA | IOUN. Acronym Geek. February 15, 2012, 11:55. Available at: http://www.acronymgeek.com/IOUN. Accessed February 15, 2012, 11:55. |