| APA | EFAO. (2012, February 16). In Acronym Geek. Retrieved 09:51, February 16, 2012, from http://www.acronymgeek.com/EFAO |
| MLA | "EFAO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/EFAO>. |
| MHRA | 'EFAO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/EFAO> [accessed 16 February 2012] |
| Chicago | "EFAO", http://www.acronymgeek.com/EFAO (accessed February 16, 2012). |
| CBE/CSE | EFAO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/EFAO. |
| Bluebook | EFAO, http://www.acronymgeek.com/EFAO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EFAO, http://www.acronymgeek.com/EFAO (optional description here) (as of Feb. 16, 2012, 09:51). |
| AMA | EFAO. Acronym Geek. February 16, 2012, 09:51. Available at: http://www.acronymgeek.com/EFAO. Accessed February 16, 2012, 09:51. |