| APA | IOUS. (2012, February 16). In Acronym Geek. Retrieved 14:43, February 16, 2012, from http://www.acronymgeek.com/IOUS |
| MLA | "IOUS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/IOUS>. |
| MHRA | 'IOUS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/IOUS> [accessed 16 February 2012] |
| Chicago | "IOUS", http://www.acronymgeek.com/IOUS (accessed February 16, 2012). |
| CBE/CSE | IOUS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/IOUS. |
| Bluebook | IOUS, http://www.acronymgeek.com/IOUS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IOUS, http://www.acronymgeek.com/IOUS (optional description here) (as of Feb. 16, 2012, 14:43). |
| AMA | IOUS. Acronym Geek. February 16, 2012, 14:43. Available at: http://www.acronymgeek.com/IOUS. Accessed February 16, 2012, 14:43. |