| APA | SPPG. (2012, February 9). In Acronym Geek. Retrieved 12:14, February 9, 2012, from http://www.acronymgeek.com/SPPG |
| MLA | "SPPG." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/SPPG>. |
| MHRA | 'SPPG', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/SPPG> [accessed 9 February 2012] |
| Chicago | "SPPG", http://www.acronymgeek.com/SPPG (accessed February 9, 2012). |
| CBE/CSE | SPPG [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/SPPG. |
| Bluebook | SPPG, http://www.acronymgeek.com/SPPG (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPPG, http://www.acronymgeek.com/SPPG (optional description here) (as of Feb. 9, 2012, 12:14). |
| AMA | SPPG. Acronym Geek. February 9, 2012, 12:14. Available at: http://www.acronymgeek.com/SPPG. Accessed February 9, 2012, 12:14. |