| APA | FESS. (2012, February 16). In Acronym Geek. Retrieved 01:29, February 16, 2012, from http://www.acronymgeek.com/FESS |
| MLA | "FESS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/FESS>. |
| MHRA | 'FESS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/FESS> [accessed 16 February 2012] |
| Chicago | "FESS", http://www.acronymgeek.com/FESS (accessed February 16, 2012). |
| CBE/CSE | FESS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/FESS. |
| Bluebook | FESS, http://www.acronymgeek.com/FESS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FESS, http://www.acronymgeek.com/FESS (optional description here) (as of Feb. 16, 2012, 01:29). |
| AMA | FESS. Acronym Geek. February 16, 2012, 01:29. Available at: http://www.acronymgeek.com/FESS. Accessed February 16, 2012, 01:29. |