| APA | SOPL. (2012, February 11). In Acronym Geek. Retrieved 20:05, February 11, 2012, from http://www.acronymgeek.com/SOPL |
| MLA | "SOPL." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/SOPL>. |
| MHRA | 'SOPL', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/SOPL> [accessed 11 February 2012] |
| Chicago | "SOPL", http://www.acronymgeek.com/SOPL (accessed February 11, 2012). |
| CBE/CSE | SOPL [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/SOPL. |
| Bluebook | SOPL, http://www.acronymgeek.com/SOPL (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SOPL, http://www.acronymgeek.com/SOPL (optional description here) (as of Feb. 11, 2012, 20:05). |
| AMA | SOPL. Acronym Geek. February 11, 2012, 20:05. Available at: http://www.acronymgeek.com/SOPL. Accessed February 11, 2012, 20:05. |