| APA | NNH. (2012, February 14). In Acronym Geek. Retrieved 12:12, February 14, 2012, from http://www.acronymgeek.com/NNH |
| MLA | "NNH." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NNH>. |
| MHRA | 'NNH', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NNH> [accessed 14 February 2012] |
| Chicago | "NNH", http://www.acronymgeek.com/NNH (accessed February 14, 2012). |
| CBE/CSE | NNH [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NNH. |
| Bluebook | NNH, http://www.acronymgeek.com/NNH (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNH, http://www.acronymgeek.com/NNH (optional description here) (as of Feb. 14, 2012, 12:12). |
| AMA | NNH. Acronym Geek. February 14, 2012, 12:12. Available at: http://www.acronymgeek.com/NNH. Accessed February 14, 2012, 12:12. |