| APA | NHD. (2012, February 14). In Acronym Geek. Retrieved 04:31, February 14, 2012, from http://www.acronymgeek.com/NHD |
| MLA | "NHD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NHD>. |
| MHRA | 'NHD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NHD> [accessed 14 February 2012] |
| Chicago | "NHD", http://www.acronymgeek.com/NHD (accessed February 14, 2012). |
| CBE/CSE | NHD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NHD. |
| Bluebook | NHD, http://www.acronymgeek.com/NHD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NHD, http://www.acronymgeek.com/NHD (optional description here) (as of Feb. 14, 2012, 04:31). |
| AMA | NHD. Acronym Geek. February 14, 2012, 04:31. Available at: http://www.acronymgeek.com/NHD. Accessed February 14, 2012, 04:31. |