| APA | GNA. (2012, February 14). In Acronym Geek. Retrieved 02:35, February 14, 2012, from http://www.acronymgeek.com/GNA |
| MLA | "GNA." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/GNA>. |
| MHRA | 'GNA', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/GNA> [accessed 14 February 2012] |
| Chicago | "GNA", http://www.acronymgeek.com/GNA (accessed February 14, 2012). |
| CBE/CSE | GNA [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/GNA. |
| Bluebook | GNA, http://www.acronymgeek.com/GNA (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GNA, http://www.acronymgeek.com/GNA (optional description here) (as of Feb. 14, 2012, 02:35). |
| AMA | GNA. Acronym Geek. February 14, 2012, 02:35. Available at: http://www.acronymgeek.com/GNA. Accessed February 14, 2012, 02:35. |