| APA | SOPHE. (2012, February 10). In Acronym Geek. Retrieved 19:19, February 10, 2012, from http://www.acronymgeek.com/SOPHE |
| MLA | "SOPHE." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/SOPHE>. |
| MHRA | 'SOPHE', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/SOPHE> [accessed 10 February 2012] |
| Chicago | "SOPHE", http://www.acronymgeek.com/SOPHE (accessed February 10, 2012). |
| CBE/CSE | SOPHE [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/SOPHE. |
| Bluebook | SOPHE, http://www.acronymgeek.com/SOPHE (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SOPHE, http://www.acronymgeek.com/SOPHE (optional description here) (as of Feb. 10, 2012, 19:19). |
| AMA | SOPHE. Acronym Geek. February 10, 2012, 19:19. Available at: http://www.acronymgeek.com/SOPHE. Accessed February 10, 2012, 19:19. |