| APA | IOVL. (2012, February 16). In Acronym Geek. Retrieved 07:35, February 16, 2012, from http://www.acronymgeek.com/IOVL |
| MLA | "IOVL." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/IOVL>. |
| MHRA | 'IOVL', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/IOVL> [accessed 16 February 2012] |
| Chicago | "IOVL", http://www.acronymgeek.com/IOVL (accessed February 16, 2012). |
| CBE/CSE | IOVL [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/IOVL. |
| Bluebook | IOVL, http://www.acronymgeek.com/IOVL (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IOVL, http://www.acronymgeek.com/IOVL (optional description here) (as of Feb. 16, 2012, 07:35). |
| AMA | IOVL. Acronym Geek. February 16, 2012, 07:35. Available at: http://www.acronymgeek.com/IOVL. Accessed February 16, 2012, 07:35. |