| APA | SEOD. (2012, February 14). In Acronym Geek. Retrieved 14:46, February 14, 2012, from http://www.acronymgeek.com/SEOD |
| MLA | "SEOD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SEOD>. |
| MHRA | 'SEOD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SEOD> [accessed 14 February 2012] |
| Chicago | "SEOD", http://www.acronymgeek.com/SEOD (accessed February 14, 2012). |
| CBE/CSE | SEOD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SEOD. |
| Bluebook | SEOD, http://www.acronymgeek.com/SEOD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SEOD, http://www.acronymgeek.com/SEOD (optional description here) (as of Feb. 14, 2012, 14:46). |
| AMA | SEOD. Acronym Geek. February 14, 2012, 14:46. Available at: http://www.acronymgeek.com/SEOD. Accessed February 14, 2012, 14:46. |