| APA | FKES. (2012, February 10). In Acronym Geek. Retrieved 07:06, February 10, 2012, from http://www.acronymgeek.com/FKES |
| MLA | "FKES." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/FKES>. |
| MHRA | 'FKES', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/FKES> [accessed 10 February 2012] |
| Chicago | "FKES", http://www.acronymgeek.com/FKES (accessed February 10, 2012). |
| CBE/CSE | FKES [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/FKES. |
| Bluebook | FKES, http://www.acronymgeek.com/FKES (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FKES, http://www.acronymgeek.com/FKES (optional description here) (as of Feb. 10, 2012, 07:06). |
| AMA | FKES. Acronym Geek. February 10, 2012, 07:06. Available at: http://www.acronymgeek.com/FKES. Accessed February 10, 2012, 07:06. |