| APA | EAO. (2012, February 14). In Acronym Geek. Retrieved 20:35, February 14, 2012, from http://www.acronymgeek.com/EAO |
| MLA | "EAO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/EAO>. |
| MHRA | 'EAO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/EAO> [accessed 14 February 2012] |
| Chicago | "EAO", http://www.acronymgeek.com/EAO (accessed February 14, 2012). |
| CBE/CSE | EAO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/EAO. |
| Bluebook | EAO, http://www.acronymgeek.com/EAO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EAO, http://www.acronymgeek.com/EAO (optional description here) (as of Feb. 14, 2012, 20:35). |
| AMA | EAO. Acronym Geek. February 14, 2012, 20:35. Available at: http://www.acronymgeek.com/EAO. Accessed February 14, 2012, 20:35. |