| APA | EFNS. (2012, February 17). In Acronym Geek. Retrieved 06:33, February 17, 2012, from http://www.acronymgeek.com/EFNS |
| MLA | "EFNS." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/EFNS>. |
| MHRA | 'EFNS', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/EFNS> [accessed 17 February 2012] |
| Chicago | "EFNS", http://www.acronymgeek.com/EFNS (accessed February 17, 2012). |
| CBE/CSE | EFNS [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/EFNS. |
| Bluebook | EFNS, http://www.acronymgeek.com/EFNS (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EFNS, http://www.acronymgeek.com/EFNS (optional description here) (as of Feb. 17, 2012, 06:33). |
| AMA | EFNS. Acronym Geek. February 17, 2012, 06:33. Available at: http://www.acronymgeek.com/EFNS. Accessed February 17, 2012, 06:33. |