| APA | FEL. (2012, February 10). In Acronym Geek. Retrieved 18:04, February 10, 2012, from http://www.acronymgeek.com/FEL |
| MLA | "FEL." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/FEL>. |
| MHRA | 'FEL', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/FEL> [accessed 10 February 2012] |
| Chicago | "FEL", http://www.acronymgeek.com/FEL (accessed February 10, 2012). |
| CBE/CSE | FEL [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/FEL. |
| Bluebook | FEL, http://www.acronymgeek.com/FEL (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FEL, http://www.acronymgeek.com/FEL (optional description here) (as of Feb. 10, 2012, 18:04). |
| AMA | FEL. Acronym Geek. February 10, 2012, 18:04. Available at: http://www.acronymgeek.com/FEL. Accessed February 10, 2012, 18:04. |