| APA | SONP. (2012, February 16). In Acronym Geek. Retrieved 13:44, February 16, 2012, from http://www.acronymgeek.com/SONP |
| MLA | "SONP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SONP>. |
| MHRA | 'SONP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SONP> [accessed 16 February 2012] |
| Chicago | "SONP", http://www.acronymgeek.com/SONP (accessed February 16, 2012). |
| CBE/CSE | SONP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SONP. |
| Bluebook | SONP, http://www.acronymgeek.com/SONP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SONP, http://www.acronymgeek.com/SONP (optional description here) (as of Feb. 16, 2012, 13:44). |
| AMA | SONP. Acronym Geek. February 16, 2012, 13:44. Available at: http://www.acronymgeek.com/SONP. Accessed February 16, 2012, 13:44. |