| APA | SPNH. (2012, February 15). In Acronym Geek. Retrieved 05:32, February 15, 2012, from http://www.acronymgeek.com/SPNH |
| MLA | "SPNH." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SPNH>. |
| MHRA | 'SPNH', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SPNH> [accessed 15 February 2012] |
| Chicago | "SPNH", http://www.acronymgeek.com/SPNH (accessed February 15, 2012). |
| CBE/CSE | SPNH [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SPNH. |
| Bluebook | SPNH, http://www.acronymgeek.com/SPNH (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPNH, http://www.acronymgeek.com/SPNH (optional description here) (as of Feb. 15, 2012, 05:32). |
| AMA | SPNH. Acronym Geek. February 15, 2012, 05:32. Available at: http://www.acronymgeek.com/SPNH. Accessed February 15, 2012, 05:32. |