| APA | FSEN. (2012, February 15). In Acronym Geek. Retrieved 04:15, February 15, 2012, from http://www.acronymgeek.com/FSEN |
| MLA | "FSEN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/FSEN>. |
| MHRA | 'FSEN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/FSEN> [accessed 15 February 2012] |
| Chicago | "FSEN", http://www.acronymgeek.com/FSEN (accessed February 15, 2012). |
| CBE/CSE | FSEN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/FSEN. |
| Bluebook | FSEN, http://www.acronymgeek.com/FSEN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FSEN, http://www.acronymgeek.com/FSEN (optional description here) (as of Feb. 15, 2012, 04:15). |
| AMA | FSEN. Acronym Geek. February 15, 2012, 04:15. Available at: http://www.acronymgeek.com/FSEN. Accessed February 15, 2012, 04:15. |