| APA | GGO. (2012, February 14). In Acronym Geek. Retrieved 11:34, February 14, 2012, from http://www.acronymgeek.com/GGO |
| MLA | "GGO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GGO>. |
| MHRA | 'GGO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GGO> [accessed 14 February 2012] |
| Chicago | "GGO", http://www.acronymgeek.com/GGO (accessed February 14, 2012). |
| CBE/CSE | GGO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GGO. |
| Bluebook | GGO, http://www.acronymgeek.com/GGO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GGO, http://www.acronymgeek.com/GGO (optional description here) (as of Feb. 14, 2012, 11:34). |
| AMA | GGO. Acronym Geek. February 14, 2012, 11:34. Available at: http://www.acronymgeek.com/GGO. Accessed February 14, 2012, 11:34. |