| APA | SPNZ. (2012, February 17). In Acronym Geek. Retrieved 06:36, February 17, 2012, from http://www.acronymgeek.com/SPNZ |
| MLA | "SPNZ." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/SPNZ>. |
| MHRA | 'SPNZ', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/SPNZ> [accessed 17 February 2012] |
| Chicago | "SPNZ", http://www.acronymgeek.com/SPNZ (accessed February 17, 2012). |
| CBE/CSE | SPNZ [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/SPNZ. |
| Bluebook | SPNZ, http://www.acronymgeek.com/SPNZ (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPNZ, http://www.acronymgeek.com/SPNZ (optional description here) (as of Feb. 17, 2012, 06:36). |
| AMA | SPNZ. Acronym Geek. February 17, 2012, 06:36. Available at: http://www.acronymgeek.com/SPNZ. Accessed February 17, 2012, 06:36. |