| APA | NGNF. (2012, February 17). In Acronym Geek. Retrieved 00:07, February 17, 2012, from http://www.acronymgeek.com/NGNF |
| MLA | "NGNF." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/NGNF>. |
| MHRA | 'NGNF', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/NGNF> [accessed 17 February 2012] |
| Chicago | "NGNF", http://www.acronymgeek.com/NGNF (accessed February 17, 2012). |
| CBE/CSE | NGNF [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/NGNF. |
| Bluebook | NGNF, http://www.acronymgeek.com/NGNF (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NGNF, http://www.acronymgeek.com/NGNF (optional description here) (as of Feb. 17, 2012, 00:07). |
| AMA | NGNF. Acronym Geek. February 17, 2012, 00:07. Available at: http://www.acronymgeek.com/NGNF. Accessed February 17, 2012, 00:07. |