| APA | NHA. (2012, February 9). In Acronym Geek. Retrieved 01:46, February 9, 2012, from http://www.acronymgeek.com/NHA |
| MLA | "NHA." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/NHA>. |
| MHRA | 'NHA', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/NHA> [accessed 9 February 2012] |
| Chicago | "NHA", http://www.acronymgeek.com/NHA (accessed February 9, 2012). |
| CBE/CSE | NHA [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/NHA. |
| Bluebook | NHA, http://www.acronymgeek.com/NHA (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NHA, http://www.acronymgeek.com/NHA (optional description here) (as of Feb. 9, 2012, 01:46). |
| AMA | NHA. Acronym Geek. February 9, 2012, 01:46. Available at: http://www.acronymgeek.com/NHA. Accessed February 9, 2012, 01:46. |