| APA | EIFU. (2012, February 16). In Acronym Geek. Retrieved 19:38, February 16, 2012, from http://www.acronymgeek.com/EIFU |
| MLA | "EIFU." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/EIFU>. |
| MHRA | 'EIFU', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/EIFU> [accessed 16 February 2012] |
| Chicago | "EIFU", http://www.acronymgeek.com/EIFU (accessed February 16, 2012). |
| CBE/CSE | EIFU [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/EIFU. |
| Bluebook | EIFU, http://www.acronymgeek.com/EIFU (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EIFU, http://www.acronymgeek.com/EIFU (optional description here) (as of Feb. 16, 2012, 19:38). |
| AMA | EIFU. Acronym Geek. February 16, 2012, 19:38. Available at: http://www.acronymgeek.com/EIFU. Accessed February 16, 2012, 19:38. |