| APA | SEDN. (2012, February 14). In Acronym Geek. Retrieved 18:06, February 14, 2012, from http://www.acronymgeek.com/SEDN |
| MLA | "SEDN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SEDN>. |
| MHRA | 'SEDN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SEDN> [accessed 14 February 2012] |
| Chicago | "SEDN", http://www.acronymgeek.com/SEDN (accessed February 14, 2012). |
| CBE/CSE | SEDN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SEDN. |
| Bluebook | SEDN, http://www.acronymgeek.com/SEDN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SEDN, http://www.acronymgeek.com/SEDN (optional description here) (as of Feb. 14, 2012, 18:06). |
| AMA | SEDN. Acronym Geek. February 14, 2012, 18:06. Available at: http://www.acronymgeek.com/SEDN. Accessed February 14, 2012, 18:06. |