| APA | OFN. (2012, February 10). In Acronym Geek. Retrieved 11:01, February 10, 2012, from http://www.acronymgeek.com/OFN |
| MLA | "OFN." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/OFN>. |
| MHRA | 'OFN', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/OFN> [accessed 10 February 2012] |
| Chicago | "OFN", http://www.acronymgeek.com/OFN (accessed February 10, 2012). |
| CBE/CSE | OFN [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/OFN. |
| Bluebook | OFN, http://www.acronymgeek.com/OFN (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OFN, http://www.acronymgeek.com/OFN (optional description here) (as of Feb. 10, 2012, 11:01). |
| AMA | OFN. Acronym Geek. February 10, 2012, 11:01. Available at: http://www.acronymgeek.com/OFN. Accessed February 10, 2012, 11:01. |