| APA | SYMO. (2012, February 16). In Acronym Geek. Retrieved 15:54, February 16, 2012, from http://www.acronymgeek.com/SYMO |
| MLA | "SYMO." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SYMO>. |
| MHRA | 'SYMO', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SYMO> [accessed 16 February 2012] |
| Chicago | "SYMO", http://www.acronymgeek.com/SYMO (accessed February 16, 2012). |
| CBE/CSE | SYMO [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SYMO. |
| Bluebook | SYMO, http://www.acronymgeek.com/SYMO (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SYMO, http://www.acronymgeek.com/SYMO (optional description here) (as of Feb. 16, 2012, 15:54). |
| AMA | SYMO. Acronym Geek. February 16, 2012, 15:54. Available at: http://www.acronymgeek.com/SYMO. Accessed February 16, 2012, 15:54. |