| APA | GNGN. (2012, February 16). In Acronym Geek. Retrieved 19:32, February 16, 2012, from http://www.acronymgeek.com/GNGN |
| MLA | "GNGN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GNGN>. |
| MHRA | 'GNGN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GNGN> [accessed 16 February 2012] |
| Chicago | "GNGN", http://www.acronymgeek.com/GNGN (accessed February 16, 2012). |
| CBE/CSE | GNGN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GNGN. |
| Bluebook | GNGN, http://www.acronymgeek.com/GNGN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GNGN, http://www.acronymgeek.com/GNGN (optional description here) (as of Feb. 16, 2012, 19:32). |
| AMA | GNGN. Acronym Geek. February 16, 2012, 19:32. Available at: http://www.acronymgeek.com/GNGN. Accessed February 16, 2012, 19:32. |