| APA | NPNJ. (2012, February 15). In Acronym Geek. Retrieved 12:06, February 15, 2012, from http://www.acronymgeek.com/NPNJ |
| MLA | "NPNJ." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/NPNJ>. |
| MHRA | 'NPNJ', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/NPNJ> [accessed 15 February 2012] |
| Chicago | "NPNJ", http://www.acronymgeek.com/NPNJ (accessed February 15, 2012). |
| CBE/CSE | NPNJ [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/NPNJ. |
| Bluebook | NPNJ, http://www.acronymgeek.com/NPNJ (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NPNJ, http://www.acronymgeek.com/NPNJ (optional description here) (as of Feb. 15, 2012, 12:06). |
| AMA | NPNJ. Acronym Geek. February 15, 2012, 12:06. Available at: http://www.acronymgeek.com/NPNJ. Accessed February 15, 2012, 12:06. |