| APA | EWAO. (2012, February 15). In Acronym Geek. Retrieved 20:05, February 15, 2012, from http://www.acronymgeek.com/EWAO |
| MLA | "EWAO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/EWAO>. |
| MHRA | 'EWAO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/EWAO> [accessed 15 February 2012] |
| Chicago | "EWAO", http://www.acronymgeek.com/EWAO (accessed February 15, 2012). |
| CBE/CSE | EWAO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/EWAO. |
| Bluebook | EWAO, http://www.acronymgeek.com/EWAO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EWAO, http://www.acronymgeek.com/EWAO (optional description here) (as of Feb. 15, 2012, 20:05). |
| AMA | EWAO. Acronym Geek. February 15, 2012, 20:05. Available at: http://www.acronymgeek.com/EWAO. Accessed February 15, 2012, 20:05. |