| APA | OFSA. (2012, February 16). In Acronym Geek. Retrieved 04:58, February 16, 2012, from http://www.acronymgeek.com/OFSA |
| MLA | "OFSA." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OFSA>. |
| MHRA | 'OFSA', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OFSA> [accessed 16 February 2012] |
| Chicago | "OFSA", http://www.acronymgeek.com/OFSA (accessed February 16, 2012). |
| CBE/CSE | OFSA [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OFSA. |
| Bluebook | OFSA, http://www.acronymgeek.com/OFSA (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OFSA, http://www.acronymgeek.com/OFSA (optional description here) (as of Feb. 16, 2012, 04:58). |
| AMA | OFSA. Acronym Geek. February 16, 2012, 04:58. Available at: http://www.acronymgeek.com/OFSA. Accessed February 16, 2012, 04:58. |