| APA | SMEO. (2012, February 16). In Acronym Geek. Retrieved 23:15, February 16, 2012, from http://www.acronymgeek.com/SMEO |
| MLA | "SMEO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SMEO>. |
| MHRA | 'SMEO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SMEO> [accessed 16 February 2012] |
| Chicago | "SMEO", http://www.acronymgeek.com/SMEO (accessed February 16, 2012). |
| CBE/CSE | SMEO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SMEO. |
| Bluebook | SMEO, http://www.acronymgeek.com/SMEO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SMEO, http://www.acronymgeek.com/SMEO (optional description here) (as of Feb. 16, 2012, 23:15). |
| AMA | SMEO. Acronym Geek. February 16, 2012, 23:15. Available at: http://www.acronymgeek.com/SMEO. Accessed February 16, 2012, 23:15. |