| APA | NDFE. (2012, February 15). In Acronym Geek. Retrieved 04:53, February 15, 2012, from http://www.acronymgeek.com/NDFE |
| MLA | "NDFE." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NDFE>. |
| MHRA | 'NDFE', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NDFE> [accessed 15 February 2012] |
| Chicago | "NDFE", http://www.acronymgeek.com/NDFE (accessed February 15, 2012). |
| CBE/CSE | NDFE [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NDFE. |
| Bluebook | NDFE, http://www.acronymgeek.com/NDFE (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NDFE, http://www.acronymgeek.com/NDFE (optional description here) (as of Feb. 15, 2012, 04:53). |
| AMA | NDFE. Acronym Geek. February 15, 2012, 04:53. Available at: http://www.acronymgeek.com/NDFE. Accessed February 15, 2012, 04:53. |