| APA | OFD. (2012, February 8). In Acronym Geek. Retrieved 12:04, February 8, 2012, from http://www.acronymgeek.com/OFD |
| MLA | "OFD." Acronym Geek. (2012). Acronym Geek. 8 Feb 2012 <http://www.acronymgeek.com/OFD>. |
| MHRA | 'OFD', Acronym Geek, 8 February 2012, <http://www.acronymgeek.com/OFD> [accessed 8 February 2012] |
| Chicago | "OFD", http://www.acronymgeek.com/OFD (accessed February 8, 2012). |
| CBE/CSE | OFD [Internet]. Acronym Geek; 2012 Feb 8 [cited 2012 Feb 8]. Available from: http://www.acronymgeek.com/OFD. |
| Bluebook | OFD, http://www.acronymgeek.com/OFD (last visited February 8, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OFD, http://www.acronymgeek.com/OFD (optional description here) (as of Feb. 8, 2012, 12:04). |
| AMA | OFD. Acronym Geek. February 8, 2012, 12:04. Available at: http://www.acronymgeek.com/OFD. Accessed February 8, 2012, 12:04. |