| APA | SL. (2012, February 14). In Acronym Geek. Retrieved 06:06, February 14, 2012, from http://www.acronymgeek.com/SL |
| MLA | "SL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SL>. |
| MHRA | 'SL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SL> [accessed 14 February 2012] |
| Chicago | "SL", http://www.acronymgeek.com/SL (accessed February 14, 2012). |
| CBE/CSE | SL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SL. |
| Bluebook | SL, http://www.acronymgeek.com/SL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SL, http://www.acronymgeek.com/SL (optional description here) (as of Feb. 14, 2012, 06:06). |
| AMA | SL. Acronym Geek. February 14, 2012, 06:06. Available at: http://www.acronymgeek.com/SL. Accessed February 14, 2012, 06:06. |