| APA | NTBD. (2012, February 16). In Acronym Geek. Retrieved 16:51, February 16, 2012, from http://www.acronymgeek.com/NTBD |
| MLA | "NTBD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NTBD>. |
| MHRA | 'NTBD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NTBD> [accessed 16 February 2012] |
| Chicago | "NTBD", http://www.acronymgeek.com/NTBD (accessed February 16, 2012). |
| CBE/CSE | NTBD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NTBD. |
| Bluebook | NTBD, http://www.acronymgeek.com/NTBD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NTBD, http://www.acronymgeek.com/NTBD (optional description here) (as of Feb. 16, 2012, 16:51). |
| AMA | NTBD. Acronym Geek. February 16, 2012, 16:51. Available at: http://www.acronymgeek.com/NTBD. Accessed February 16, 2012, 16:51. |