| APA | NDC. (2012, February 14). In Acronym Geek. Retrieved 11:58, February 14, 2012, from http://www.acronymgeek.com/NDC |
| MLA | "NDC." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NDC>. |
| MHRA | 'NDC', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NDC> [accessed 14 February 2012] |
| Chicago | "NDC", http://www.acronymgeek.com/NDC (accessed February 14, 2012). |
| CBE/CSE | NDC [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NDC. |
| Bluebook | NDC, http://www.acronymgeek.com/NDC (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NDC, http://www.acronymgeek.com/NDC (optional description here) (as of Feb. 14, 2012, 11:58). |
| AMA | NDC. Acronym Geek. February 14, 2012, 11:58. Available at: http://www.acronymgeek.com/NDC. Accessed February 14, 2012, 11:58. |