| APA | OSF. (2012, February 9). In Acronym Geek. Retrieved 09:52, February 9, 2012, from http://www.acronymgeek.com/OSF |
| MLA | "OSF." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/OSF>. |
| MHRA | 'OSF', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/OSF> [accessed 9 February 2012] |
| Chicago | "OSF", http://www.acronymgeek.com/OSF (accessed February 9, 2012). |
| CBE/CSE | OSF [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/OSF. |
| Bluebook | OSF, http://www.acronymgeek.com/OSF (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OSF, http://www.acronymgeek.com/OSF (optional description here) (as of Feb. 9, 2012, 09:52). |
| AMA | OSF. Acronym Geek. February 9, 2012, 09:52. Available at: http://www.acronymgeek.com/OSF. Accessed February 9, 2012, 09:52. |