| APA | IOUF. (2012, February 15). In Acronym Geek. Retrieved 20:26, February 15, 2012, from http://www.acronymgeek.com/IOUF |
| MLA | "IOUF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IOUF>. |
| MHRA | 'IOUF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IOUF> [accessed 15 February 2012] |
| Chicago | "IOUF", http://www.acronymgeek.com/IOUF (accessed February 15, 2012). |
| CBE/CSE | IOUF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IOUF. |
| Bluebook | IOUF, http://www.acronymgeek.com/IOUF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IOUF, http://www.acronymgeek.com/IOUF (optional description here) (as of Feb. 15, 2012, 20:26). |
| AMA | IOUF. Acronym Geek. February 15, 2012, 20:26. Available at: http://www.acronymgeek.com/IOUF. Accessed February 15, 2012, 20:26. |