| APA | FENA. (2012, February 15). In Acronym Geek. Retrieved 22:19, February 15, 2012, from http://www.acronymgeek.com/FENA |
| MLA | "FENA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/FENA>. |
| MHRA | 'FENA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/FENA> [accessed 15 February 2012] |
| Chicago | "FENA", http://www.acronymgeek.com/FENA (accessed February 15, 2012). |
| CBE/CSE | FENA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/FENA. |
| Bluebook | FENA, http://www.acronymgeek.com/FENA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, FENA, http://www.acronymgeek.com/FENA (optional description here) (as of Feb. 15, 2012, 22:19). |
| AMA | FENA. Acronym Geek. February 15, 2012, 22:19. Available at: http://www.acronymgeek.com/FENA. Accessed February 15, 2012, 22:19. |