| APA | NNPS. (2012, February 12). In Acronym Geek. Retrieved 12:49, February 12, 2012, from http://www.acronymgeek.com/NNPS |
| MLA | "NNPS." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/NNPS>. |
| MHRA | 'NNPS', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/NNPS> [accessed 12 February 2012] |
| Chicago | "NNPS", http://www.acronymgeek.com/NNPS (accessed February 12, 2012). |
| CBE/CSE | NNPS [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/NNPS. |
| Bluebook | NNPS, http://www.acronymgeek.com/NNPS (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NNPS, http://www.acronymgeek.com/NNPS (optional description here) (as of Feb. 12, 2012, 12:49). |
| AMA | NNPS. Acronym Geek. February 12, 2012, 12:49. Available at: http://www.acronymgeek.com/NNPS. Accessed February 12, 2012, 12:49. |