| APA | OFSM. (2012, February 17). In Acronym Geek. Retrieved 03:12, February 17, 2012, from http://www.acronymgeek.com/OFSM |
| MLA | "OFSM." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OFSM>. |
| MHRA | 'OFSM', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OFSM> [accessed 17 February 2012] |
| Chicago | "OFSM", http://www.acronymgeek.com/OFSM (accessed February 17, 2012). |
| CBE/CSE | OFSM [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OFSM. |
| Bluebook | OFSM, http://www.acronymgeek.com/OFSM (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OFSM, http://www.acronymgeek.com/OFSM (optional description here) (as of Feb. 17, 2012, 03:12). |
| AMA | OFSM. Acronym Geek. February 17, 2012, 03:12. Available at: http://www.acronymgeek.com/OFSM. Accessed February 17, 2012, 03:12. |