| APA | QIEF. (2012, February 14). In Acronym Geek. Retrieved 08:37, February 14, 2012, from http://www.acronymgeek.com/QIEF |
| MLA | "QIEF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/QIEF>. |
| MHRA | 'QIEF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/QIEF> [accessed 14 February 2012] |
| Chicago | "QIEF", http://www.acronymgeek.com/QIEF (accessed February 14, 2012). |
| CBE/CSE | QIEF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/QIEF. |
| Bluebook | QIEF, http://www.acronymgeek.com/QIEF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QIEF, http://www.acronymgeek.com/QIEF (optional description here) (as of Feb. 14, 2012, 08:37). |
| AMA | QIEF. Acronym Geek. February 14, 2012, 08:37. Available at: http://www.acronymgeek.com/QIEF. Accessed February 14, 2012, 08:37. |