| APA | FESX. (2012, February 16). In Acronym Geek. Retrieved 08:12, February 16, 2012, from http://www.acronymgeek.com/FESX |
| MLA | "FESX." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/FESX>. |
| MHRA | 'FESX', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/FESX> [accessed 16 February 2012] |
| Chicago | "FESX", http://www.acronymgeek.com/FESX (accessed February 16, 2012). |
| CBE/CSE | FESX [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/FESX. |
| Bluebook | FESX, http://www.acronymgeek.com/FESX (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FESX, http://www.acronymgeek.com/FESX (optional description here) (as of Feb. 16, 2012, 08:12). |
| AMA | FESX. Acronym Geek. February 16, 2012, 08:12. Available at: http://www.acronymgeek.com/FESX. Accessed February 16, 2012, 08:12. |