| APA | VIGR. (2012, February 14). In Acronym Geek. Retrieved 12:15, February 14, 2012, from http://www.acronymgeek.com/VIGR |
| MLA | "VIGR." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/VIGR>. |
| MHRA | 'VIGR', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/VIGR> [accessed 14 February 2012] |
| Chicago | "VIGR", http://www.acronymgeek.com/VIGR (accessed February 14, 2012). |
| CBE/CSE | VIGR [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/VIGR. |
| Bluebook | VIGR, http://www.acronymgeek.com/VIGR (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VIGR, http://www.acronymgeek.com/VIGR (optional description here) (as of Feb. 14, 2012, 12:15). |
| AMA | VIGR. Acronym Geek. February 14, 2012, 12:15. Available at: http://www.acronymgeek.com/VIGR. Accessed February 14, 2012, 12:15. |