| APA | NGNL. (2012, February 14). In Acronym Geek. Retrieved 21:11, February 14, 2012, from http://www.acronymgeek.com/NGNL |
| MLA | "NGNL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NGNL>. |
| MHRA | 'NGNL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NGNL> [accessed 14 February 2012] |
| Chicago | "NGNL", http://www.acronymgeek.com/NGNL (accessed February 14, 2012). |
| CBE/CSE | NGNL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NGNL. |
| Bluebook | NGNL, http://www.acronymgeek.com/NGNL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NGNL, http://www.acronymgeek.com/NGNL (optional description here) (as of Feb. 14, 2012, 21:11). |
| AMA | NGNL. Acronym Geek. February 14, 2012, 21:11. Available at: http://www.acronymgeek.com/NGNL. Accessed February 14, 2012, 21:11. |