| APA | OFSL. (2012, February 17). In Acronym Geek. Retrieved 06:35, February 17, 2012, from http://www.acronymgeek.com/OFSL |
| MLA | "OFSL." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OFSL>. |
| MHRA | 'OFSL', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OFSL> [accessed 17 February 2012] |
| Chicago | "OFSL", http://www.acronymgeek.com/OFSL (accessed February 17, 2012). |
| CBE/CSE | OFSL [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OFSL. |
| Bluebook | OFSL, http://www.acronymgeek.com/OFSL (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OFSL, http://www.acronymgeek.com/OFSL (optional description here) (as of Feb. 17, 2012, 06:35). |
| AMA | OFSL. Acronym Geek. February 17, 2012, 06:35. Available at: http://www.acronymgeek.com/OFSL. Accessed February 17, 2012, 06:35. |