| APA | IZFE. (2012, February 15). In Acronym Geek. Retrieved 07:19, February 15, 2012, from http://www.acronymgeek.com/IZFE |
| MLA | "IZFE." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IZFE>. |
| MHRA | 'IZFE', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IZFE> [accessed 15 February 2012] |
| Chicago | "IZFE", http://www.acronymgeek.com/IZFE (accessed February 15, 2012). |
| CBE/CSE | IZFE [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IZFE. |
| Bluebook | IZFE, http://www.acronymgeek.com/IZFE (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IZFE, http://www.acronymgeek.com/IZFE (optional description here) (as of Feb. 15, 2012, 07:19). |
| AMA | IZFE. Acronym Geek. February 15, 2012, 07:19. Available at: http://www.acronymgeek.com/IZFE. Accessed February 15, 2012, 07:19. |