| APA | IFES. (2012, February 15). In Acronym Geek. Retrieved 00:13, February 15, 2012, from http://www.acronymgeek.com/IFES |
| MLA | "IFES." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IFES>. |
| MHRA | 'IFES', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IFES> [accessed 15 February 2012] |
| Chicago | "IFES", http://www.acronymgeek.com/IFES (accessed February 15, 2012). |
| CBE/CSE | IFES [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IFES. |
| Bluebook | IFES, http://www.acronymgeek.com/IFES (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IFES, http://www.acronymgeek.com/IFES (optional description here) (as of Feb. 15, 2012, 00:13). |
| AMA | IFES. Acronym Geek. February 15, 2012, 00:13. Available at: http://www.acronymgeek.com/IFES. Accessed February 15, 2012, 00:13. |