| APA | NPFD. (2012, February 15). In Acronym Geek. Retrieved 00:00, February 15, 2012, from http://www.acronymgeek.com/NPFD |
| MLA | "NPFD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NPFD>. |
| MHRA | 'NPFD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NPFD> [accessed 15 February 2012] |
| Chicago | "NPFD", http://www.acronymgeek.com/NPFD (accessed February 15, 2012). |
| CBE/CSE | NPFD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NPFD. |
| Bluebook | NPFD, http://www.acronymgeek.com/NPFD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NPFD, http://www.acronymgeek.com/NPFD (optional description here) (as of Feb. 15, 2012, 00:00). |
| AMA | NPFD. Acronym Geek. February 15, 2012, 00:00. Available at: http://www.acronymgeek.com/NPFD. Accessed February 15, 2012, 00:00. |