| APA | GES. (2012, February 14). In Acronym Geek. Retrieved 10:09, February 14, 2012, from http://www.acronymgeek.com/GES |
| MLA | "GES." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GES>. |
| MHRA | 'GES', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GES> [accessed 14 February 2012] |
| Chicago | "GES", http://www.acronymgeek.com/GES (accessed February 14, 2012). |
| CBE/CSE | GES [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GES. |
| Bluebook | GES, http://www.acronymgeek.com/GES (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GES, http://www.acronymgeek.com/GES (optional description here) (as of Feb. 14, 2012, 10:09). |
| AMA | GES. Acronym Geek. February 14, 2012, 10:09. Available at: http://www.acronymgeek.com/GES. Accessed February 14, 2012, 10:09. |