| APA | OIFK. (2012, February 17). In Acronym Geek. Retrieved 08:17, February 17, 2012, from http://www.acronymgeek.com/OIFK |
| MLA | "OIFK." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/OIFK>. |
| MHRA | 'OIFK', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/OIFK> [accessed 17 February 2012] |
| Chicago | "OIFK", http://www.acronymgeek.com/OIFK (accessed February 17, 2012). |
| CBE/CSE | OIFK [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/OIFK. |
| Bluebook | OIFK, http://www.acronymgeek.com/OIFK (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OIFK, http://www.acronymgeek.com/OIFK (optional description here) (as of Feb. 17, 2012, 08:17). |
| AMA | OIFK. Acronym Geek. February 17, 2012, 08:17. Available at: http://www.acronymgeek.com/OIFK. Accessed February 17, 2012, 08:17. |