| APA | NPEM. (2012, February 16). In Acronym Geek. Retrieved 22:43, February 16, 2012, from http://www.acronymgeek.com/NPEM |
| MLA | "NPEM." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/NPEM>. |
| MHRA | 'NPEM', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/NPEM> [accessed 16 February 2012] |
| Chicago | "NPEM", http://www.acronymgeek.com/NPEM (accessed February 16, 2012). |
| CBE/CSE | NPEM [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/NPEM. |
| Bluebook | NPEM, http://www.acronymgeek.com/NPEM (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NPEM, http://www.acronymgeek.com/NPEM (optional description here) (as of Feb. 16, 2012, 22:43). |
| AMA | NPEM. Acronym Geek. February 16, 2012, 22:43. Available at: http://www.acronymgeek.com/NPEM. Accessed February 16, 2012, 22:43. |