| APA | GTGN. (2012, February 15). In Acronym Geek. Retrieved 09:12, February 15, 2012, from http://www.acronymgeek.com/GTGN |
| MLA | "GTGN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GTGN>. |
| MHRA | 'GTGN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GTGN> [accessed 15 February 2012] |
| Chicago | "GTGN", http://www.acronymgeek.com/GTGN (accessed February 15, 2012). |
| CBE/CSE | GTGN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GTGN. |
| Bluebook | GTGN, http://www.acronymgeek.com/GTGN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GTGN, http://www.acronymgeek.com/GTGN (optional description here) (as of Feb. 15, 2012, 09:12). |
| AMA | GTGN. Acronym Geek. February 15, 2012, 09:12. Available at: http://www.acronymgeek.com/GTGN. Accessed February 15, 2012, 09:12. |