| APA | SPPOL. (2012, February 12). In Acronym Geek. Retrieved 12:33, February 12, 2012, from http://www.acronymgeek.com/SPPOL |
| MLA | "SPPOL." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/SPPOL>. |
| MHRA | 'SPPOL', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/SPPOL> [accessed 12 February 2012] |
| Chicago | "SPPOL", http://www.acronymgeek.com/SPPOL (accessed February 12, 2012). |
| CBE/CSE | SPPOL [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/SPPOL. |
| Bluebook | SPPOL, http://www.acronymgeek.com/SPPOL (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPPOL, http://www.acronymgeek.com/SPPOL (optional description here) (as of Feb. 12, 2012, 12:33). |
| AMA | SPPOL. Acronym Geek. February 12, 2012, 12:33. Available at: http://www.acronymgeek.com/SPPOL. Accessed February 12, 2012, 12:33. |