| APA | SPPU. (2012, February 10). In Acronym Geek. Retrieved 07:58, February 10, 2012, from http://www.acronymgeek.com/SPPU |
| MLA | "SPPU." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/SPPU>. |
| MHRA | 'SPPU', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/SPPU> [accessed 10 February 2012] |
| Chicago | "SPPU", http://www.acronymgeek.com/SPPU (accessed February 10, 2012). |
| CBE/CSE | SPPU [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/SPPU. |
| Bluebook | SPPU, http://www.acronymgeek.com/SPPU (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPPU, http://www.acronymgeek.com/SPPU (optional description here) (as of Feb. 10, 2012, 07:58). |
| AMA | SPPU. Acronym Geek. February 10, 2012, 07:58. Available at: http://www.acronymgeek.com/SPPU. Accessed February 10, 2012, 07:58. |