| APA | IZFN. (2012, February 17). In Acronym Geek. Retrieved 00:14, February 17, 2012, from http://www.acronymgeek.com/IZFN |
| MLA | "IZFN." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/IZFN>. |
| MHRA | 'IZFN', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/IZFN> [accessed 17 February 2012] |
| Chicago | "IZFN", http://www.acronymgeek.com/IZFN (accessed February 17, 2012). |
| CBE/CSE | IZFN [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/IZFN. |
| Bluebook | IZFN, http://www.acronymgeek.com/IZFN (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IZFN, http://www.acronymgeek.com/IZFN (optional description here) (as of Feb. 17, 2012, 00:14). |
| AMA | IZFN. Acronym Geek. February 17, 2012, 00:14. Available at: http://www.acronymgeek.com/IZFN. Accessed February 17, 2012, 00:14. |