| APA | NPOSR. (2012, February 12). In Acronym Geek. Retrieved 11:34, February 12, 2012, from http://www.acronymgeek.com/NPOSR |
| MLA | "NPOSR." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/NPOSR>. |
| MHRA | 'NPOSR', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/NPOSR> [accessed 12 February 2012] |
| Chicago | "NPOSR", http://www.acronymgeek.com/NPOSR (accessed February 12, 2012). |
| CBE/CSE | NPOSR [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/NPOSR. |
| Bluebook | NPOSR, http://www.acronymgeek.com/NPOSR (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NPOSR, http://www.acronymgeek.com/NPOSR (optional description here) (as of Feb. 12, 2012, 11:34). |
| AMA | NPOSR. Acronym Geek. February 12, 2012, 11:34. Available at: http://www.acronymgeek.com/NPOSR. Accessed February 12, 2012, 11:34. |