| APA | FKE. (2012, February 11). In Acronym Geek. Retrieved 17:10, February 11, 2012, from http://www.acronymgeek.com/FKE |
| MLA | "FKE." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/FKE>. |
| MHRA | 'FKE', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/FKE> [accessed 11 February 2012] |
| Chicago | "FKE", http://www.acronymgeek.com/FKE (accessed February 11, 2012). |
| CBE/CSE | FKE [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/FKE. |
| Bluebook | FKE, http://www.acronymgeek.com/FKE (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FKE, http://www.acronymgeek.com/FKE (optional description here) (as of Feb. 11, 2012, 17:10). |
| AMA | FKE. Acronym Geek. February 11, 2012, 17:10. Available at: http://www.acronymgeek.com/FKE. Accessed February 11, 2012, 17:10. |