| APA | AEIO. (2012, February 15). In Acronym Geek. Retrieved 00:43, February 15, 2012, from http://www.acronymgeek.com/AEIO |
| MLA | "AEIO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/AEIO>. |
| MHRA | 'AEIO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/AEIO> [accessed 15 February 2012] |
| Chicago | "AEIO", http://www.acronymgeek.com/AEIO (accessed February 15, 2012). |
| CBE/CSE | AEIO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/AEIO. |
| Bluebook | AEIO, http://www.acronymgeek.com/AEIO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, AEIO, http://www.acronymgeek.com/AEIO (optional description here) (as of Feb. 15, 2012, 00:43). |
| AMA | AEIO. Acronym Geek. February 15, 2012, 00:43. Available at: http://www.acronymgeek.com/AEIO. Accessed February 15, 2012, 00:43. |