| APA | VHWO. (2012, February 16). In Acronym Geek. Retrieved 00:32, February 16, 2012, from http://www.acronymgeek.com/VHWO |
| MLA | "VHWO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/VHWO>. |
| MHRA | 'VHWO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/VHWO> [accessed 16 February 2012] |
| Chicago | "VHWO", http://www.acronymgeek.com/VHWO (accessed February 16, 2012). |
| CBE/CSE | VHWO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/VHWO. |
| Bluebook | VHWO, http://www.acronymgeek.com/VHWO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VHWO, http://www.acronymgeek.com/VHWO (optional description here) (as of Feb. 16, 2012, 00:32). |
| AMA | VHWO. Acronym Geek. February 16, 2012, 00:32. Available at: http://www.acronymgeek.com/VHWO. Accessed February 16, 2012, 00:32. |