| APA | SNPG. (2012, February 16). In Acronym Geek. Retrieved 21:24, February 16, 2012, from http://www.acronymgeek.com/SNPG |
| MLA | "SNPG." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SNPG>. |
| MHRA | 'SNPG', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SNPG> [accessed 16 February 2012] |
| Chicago | "SNPG", http://www.acronymgeek.com/SNPG (accessed February 16, 2012). |
| CBE/CSE | SNPG [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SNPG. |
| Bluebook | SNPG, http://www.acronymgeek.com/SNPG (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SNPG, http://www.acronymgeek.com/SNPG (optional description here) (as of Feb. 16, 2012, 21:24). |
| AMA | SNPG. Acronym Geek. February 16, 2012, 21:24. Available at: http://www.acronymgeek.com/SNPG. Accessed February 16, 2012, 21:24. |