| APA | GAEO. (2012, February 14). In Acronym Geek. Retrieved 21:19, February 14, 2012, from http://www.acronymgeek.com/GAEO |
| MLA | "GAEO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GAEO>. |
| MHRA | 'GAEO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GAEO> [accessed 14 February 2012] |
| Chicago | "GAEO", http://www.acronymgeek.com/GAEO (accessed February 14, 2012). |
| CBE/CSE | GAEO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GAEO. |
| Bluebook | GAEO, http://www.acronymgeek.com/GAEO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GAEO, http://www.acronymgeek.com/GAEO (optional description here) (as of Feb. 14, 2012, 21:19). |
| AMA | GAEO. Acronym Geek. February 14, 2012, 21:19. Available at: http://www.acronymgeek.com/GAEO. Accessed February 14, 2012, 21:19. |