| APA | SNPD. (2012, February 16). In Acronym Geek. Retrieved 04:57, February 16, 2012, from http://www.acronymgeek.com/SNPD |
| MLA | "SNPD." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SNPD>. |
| MHRA | 'SNPD', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SNPD> [accessed 16 February 2012] |
| Chicago | "SNPD", http://www.acronymgeek.com/SNPD (accessed February 16, 2012). |
| CBE/CSE | SNPD [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SNPD. |
| Bluebook | SNPD, http://www.acronymgeek.com/SNPD (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SNPD, http://www.acronymgeek.com/SNPD (optional description here) (as of Feb. 16, 2012, 04:57). |
| AMA | SNPD. Acronym Geek. February 16, 2012, 04:57. Available at: http://www.acronymgeek.com/SNPD. Accessed February 16, 2012, 04:57. |