| APA | FLES. (2012, February 11). In Acronym Geek. Retrieved 20:40, February 11, 2012, from http://www.acronymgeek.com/FLES |
| MLA | "FLES." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/FLES>. |
| MHRA | 'FLES', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/FLES> [accessed 11 February 2012] |
| Chicago | "FLES", http://www.acronymgeek.com/FLES (accessed February 11, 2012). |
| CBE/CSE | FLES [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/FLES. |
| Bluebook | FLES, http://www.acronymgeek.com/FLES (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FLES, http://www.acronymgeek.com/FLES (optional description here) (as of Feb. 11, 2012, 20:40). |
| AMA | FLES. Acronym Geek. February 11, 2012, 20:40. Available at: http://www.acronymgeek.com/FLES. Accessed February 11, 2012, 20:40. |