| APA | NKD. (2012, February 14). In Acronym Geek. Retrieved 07:25, February 14, 2012, from http://www.acronymgeek.com/NKD |
| MLA | "NKD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NKD>. |
| MHRA | 'NKD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NKD> [accessed 14 February 2012] |
| Chicago | "NKD", http://www.acronymgeek.com/NKD (accessed February 14, 2012). |
| CBE/CSE | NKD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NKD. |
| Bluebook | NKD, http://www.acronymgeek.com/NKD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NKD, http://www.acronymgeek.com/NKD (optional description here) (as of Feb. 14, 2012, 07:25). |
| AMA | NKD. Acronym Geek. February 14, 2012, 07:25. Available at: http://www.acronymgeek.com/NKD. Accessed February 14, 2012, 07:25. |