| APA | NBF. (2012, February 15). In Acronym Geek. Retrieved 03:39, February 15, 2012, from http://www.acronymgeek.com/NBF |
| MLA | "NBF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NBF>. |
| MHRA | 'NBF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NBF> [accessed 15 February 2012] |
| Chicago | "NBF", http://www.acronymgeek.com/NBF (accessed February 15, 2012). |
| CBE/CSE | NBF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NBF. |
| Bluebook | NBF, http://www.acronymgeek.com/NBF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NBF, http://www.acronymgeek.com/NBF (optional description here) (as of Feb. 15, 2012, 03:39). |
| AMA | NBF. Acronym Geek. February 15, 2012, 03:39. Available at: http://www.acronymgeek.com/NBF. Accessed February 15, 2012, 03:39. |