| APA | IVTL. (2012, February 14). In Acronym Geek. Retrieved 13:42, February 14, 2012, from http://www.acronymgeek.com/IVTL |
| MLA | "IVTL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/IVTL>. |
| MHRA | 'IVTL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/IVTL> [accessed 14 February 2012] |
| Chicago | "IVTL", http://www.acronymgeek.com/IVTL (accessed February 14, 2012). |
| CBE/CSE | IVTL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/IVTL. |
| Bluebook | IVTL, http://www.acronymgeek.com/IVTL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IVTL, http://www.acronymgeek.com/IVTL (optional description here) (as of Feb. 14, 2012, 13:42). |
| AMA | IVTL. Acronym Geek. February 14, 2012, 13:42. Available at: http://www.acronymgeek.com/IVTL. Accessed February 14, 2012, 13:42. |