| APA | VAAO. (2012, February 15). In Acronym Geek. Retrieved 16:35, February 15, 2012, from http://www.acronymgeek.com/VAAO |
| MLA | "VAAO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/VAAO>. |
| MHRA | 'VAAO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/VAAO> [accessed 15 February 2012] |
| Chicago | "VAAO", http://www.acronymgeek.com/VAAO (accessed February 15, 2012). |
| CBE/CSE | VAAO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/VAAO. |
| Bluebook | VAAO, http://www.acronymgeek.com/VAAO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VAAO, http://www.acronymgeek.com/VAAO (optional description here) (as of Feb. 15, 2012, 16:35). |
| AMA | VAAO. Acronym Geek. February 15, 2012, 16:35. Available at: http://www.acronymgeek.com/VAAO. Accessed February 15, 2012, 16:35. |