| APA | VAC. (2012, February 4). In Acronym Geek. Retrieved 11:40, February 4, 2012, from http://www.acronymgeek.com/VAC |
| MLA | "VAC." Acronym Geek. (2012). Acronym Geek. 4 Feb 2012 <http://www.acronymgeek.com/VAC>. |
| MHRA | 'VAC', Acronym Geek, 4 February 2012, <http://www.acronymgeek.com/VAC> [accessed 4 February 2012] |
| Chicago | "VAC", http://www.acronymgeek.com/VAC (accessed February 4, 2012). |
| CBE/CSE | VAC [Internet]. Acronym Geek; 2012 Feb 4 [cited 2012 Feb 4]. Available from: http://www.acronymgeek.com/VAC. |
| Bluebook | VAC, http://www.acronymgeek.com/VAC (last visited February 4, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VAC, http://www.acronymgeek.com/VAC (optional description here) (as of Feb. 4, 2012, 11:40). |
| AMA | VAC. Acronym Geek. February 4, 2012, 11:40. Available at: http://www.acronymgeek.com/VAC. Accessed February 4, 2012, 11:40. |