| APA | IFOK. (2012, February 17). In Acronym Geek. Retrieved 08:12, February 17, 2012, from http://www.acronymgeek.com/IFOK |
| MLA | "IFOK." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/IFOK>. |
| MHRA | 'IFOK', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/IFOK> [accessed 17 February 2012] |
| Chicago | "IFOK", http://www.acronymgeek.com/IFOK (accessed February 17, 2012). |
| CBE/CSE | IFOK [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/IFOK. |
| Bluebook | IFOK, http://www.acronymgeek.com/IFOK (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IFOK, http://www.acronymgeek.com/IFOK (optional description here) (as of Feb. 17, 2012, 08:12). |
| AMA | IFOK. Acronym Geek. February 17, 2012, 08:12. Available at: http://www.acronymgeek.com/IFOK. Accessed February 17, 2012, 08:12. |