| APA | IIOI. (2012, February 15). In Acronym Geek. Retrieved 12:54, February 15, 2012, from http://www.acronymgeek.com/IIOI |
| MLA | "IIOI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IIOI>. |
| MHRA | 'IIOI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IIOI> [accessed 15 February 2012] |
| Chicago | "IIOI", http://www.acronymgeek.com/IIOI (accessed February 15, 2012). |
| CBE/CSE | IIOI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IIOI. |
| Bluebook | IIOI, http://www.acronymgeek.com/IIOI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IIOI, http://www.acronymgeek.com/IIOI (optional description here) (as of Feb. 15, 2012, 12:54). |
| AMA | IIOI. Acronym Geek. February 15, 2012, 12:54. Available at: http://www.acronymgeek.com/IIOI. Accessed February 15, 2012, 12:54. |