| APA | NGN. (2012, February 14). In Acronym Geek. Retrieved 02:37, February 14, 2012, from http://www.acronymgeek.com/NGN |
| MLA | "NGN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NGN>. |
| MHRA | 'NGN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NGN> [accessed 14 February 2012] |
| Chicago | "NGN", http://www.acronymgeek.com/NGN (accessed February 14, 2012). |
| CBE/CSE | NGN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NGN. |
| Bluebook | NGN, http://www.acronymgeek.com/NGN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NGN, http://www.acronymgeek.com/NGN (optional description here) (as of Feb. 14, 2012, 02:37). |
| AMA | NGN. Acronym Geek. February 14, 2012, 02:37. Available at: http://www.acronymgeek.com/NGN. Accessed February 14, 2012, 02:37. |