| APA | SLEO. (2012, February 15). In Acronym Geek. Retrieved 05:10, February 15, 2012, from http://www.acronymgeek.com/SLEO |
| MLA | "SLEO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SLEO>. |
| MHRA | 'SLEO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SLEO> [accessed 15 February 2012] |
| Chicago | "SLEO", http://www.acronymgeek.com/SLEO (accessed February 15, 2012). |
| CBE/CSE | SLEO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SLEO. |
| Bluebook | SLEO, http://www.acronymgeek.com/SLEO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SLEO, http://www.acronymgeek.com/SLEO (optional description here) (as of Feb. 15, 2012, 05:10). |
| AMA | SLEO. Acronym Geek. February 15, 2012, 05:10. Available at: http://www.acronymgeek.com/SLEO. Accessed February 15, 2012, 05:10. |