| APA | GCGO. (2012, February 15). In Acronym Geek. Retrieved 21:43, February 15, 2012, from http://www.acronymgeek.com/GCGO |
| MLA | "GCGO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GCGO>. |
| MHRA | 'GCGO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GCGO> [accessed 15 February 2012] |
| Chicago | "GCGO", http://www.acronymgeek.com/GCGO (accessed February 15, 2012). |
| CBE/CSE | GCGO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GCGO. |
| Bluebook | GCGO, http://www.acronymgeek.com/GCGO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GCGO, http://www.acronymgeek.com/GCGO (optional description here) (as of Feb. 15, 2012, 21:43). |
| AMA | GCGO. Acronym Geek. February 15, 2012, 21:43. Available at: http://www.acronymgeek.com/GCGO. Accessed February 15, 2012, 21:43. |