| APA | OAVO. (2012, February 14). In Acronym Geek. Retrieved 17:15, February 14, 2012, from http://www.acronymgeek.com/OAVO |
| MLA | "OAVO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/OAVO>. |
| MHRA | 'OAVO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/OAVO> [accessed 14 February 2012] |
| Chicago | "OAVO", http://www.acronymgeek.com/OAVO (accessed February 14, 2012). |
| CBE/CSE | OAVO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/OAVO. |
| Bluebook | OAVO, http://www.acronymgeek.com/OAVO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OAVO, http://www.acronymgeek.com/OAVO (optional description here) (as of Feb. 14, 2012, 17:15). |
| AMA | OAVO. Acronym Geek. February 14, 2012, 17:15. Available at: http://www.acronymgeek.com/OAVO. Accessed February 14, 2012, 17:15. |