| APA | IVVO. (2012, February 14). In Acronym Geek. Retrieved 08:30, February 14, 2012, from http://www.acronymgeek.com/IVVO |
| MLA | "IVVO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/IVVO>. |
| MHRA | 'IVVO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/IVVO> [accessed 14 February 2012] |
| Chicago | "IVVO", http://www.acronymgeek.com/IVVO (accessed February 14, 2012). |
| CBE/CSE | IVVO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/IVVO. |
| Bluebook | IVVO, http://www.acronymgeek.com/IVVO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IVVO, http://www.acronymgeek.com/IVVO (optional description here) (as of Feb. 14, 2012, 08:30). |
| AMA | IVVO. Acronym Geek. February 14, 2012, 08:30. Available at: http://www.acronymgeek.com/IVVO. Accessed February 14, 2012, 08:30. |