| APA | VIRU. (2012, February 15). In Acronym Geek. Retrieved 09:08, February 15, 2012, from http://www.acronymgeek.com/VIRU |
| MLA | "VIRU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/VIRU>. |
| MHRA | 'VIRU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/VIRU> [accessed 15 February 2012] |
| Chicago | "VIRU", http://www.acronymgeek.com/VIRU (accessed February 15, 2012). |
| CBE/CSE | VIRU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/VIRU. |
| Bluebook | VIRU, http://www.acronymgeek.com/VIRU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VIRU, http://www.acronymgeek.com/VIRU (optional description here) (as of Feb. 15, 2012, 09:08). |
| AMA | VIRU. Acronym Geek. February 15, 2012, 09:08. Available at: http://www.acronymgeek.com/VIRU. Accessed February 15, 2012, 09:08. |