| APA | OFSO. (2012, February 15). In Acronym Geek. Retrieved 20:16, February 15, 2012, from http://www.acronymgeek.com/OFSO |
| MLA | "OFSO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OFSO>. |
| MHRA | 'OFSO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OFSO> [accessed 15 February 2012] |
| Chicago | "OFSO", http://www.acronymgeek.com/OFSO (accessed February 15, 2012). |
| CBE/CSE | OFSO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OFSO. |
| Bluebook | OFSO, http://www.acronymgeek.com/OFSO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OFSO, http://www.acronymgeek.com/OFSO (optional description here) (as of Feb. 15, 2012, 20:16). |
| AMA | OFSO. Acronym Geek. February 15, 2012, 20:16. Available at: http://www.acronymgeek.com/OFSO. Accessed February 15, 2012, 20:16. |