| APA | EFVAO. (2012, February 12). In Acronym Geek. Retrieved 14:47, February 12, 2012, from http://www.acronymgeek.com/EFVAO |
| MLA | "EFVAO." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/EFVAO>. |
| MHRA | 'EFVAO', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/EFVAO> [accessed 12 February 2012] |
| Chicago | "EFVAO", http://www.acronymgeek.com/EFVAO (accessed February 12, 2012). |
| CBE/CSE | EFVAO [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/EFVAO. |
| Bluebook | EFVAO, http://www.acronymgeek.com/EFVAO (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EFVAO, http://www.acronymgeek.com/EFVAO (optional description here) (as of Feb. 12, 2012, 14:47). |
| AMA | EFVAO. Acronym Geek. February 12, 2012, 14:47. Available at: http://www.acronymgeek.com/EFVAO. Accessed February 12, 2012, 14:47. |