| APA | SYM. (2012, February 14). In Acronym Geek. Retrieved 06:24, February 14, 2012, from http://www.acronymgeek.com/SYM |
| MLA | "SYM." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SYM>. |
| MHRA | 'SYM', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SYM> [accessed 14 February 2012] |
| Chicago | "SYM", http://www.acronymgeek.com/SYM (accessed February 14, 2012). |
| CBE/CSE | SYM [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SYM. |
| Bluebook | SYM, http://www.acronymgeek.com/SYM (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SYM, http://www.acronymgeek.com/SYM (optional description here) (as of Feb. 14, 2012, 06:24). |
| AMA | SYM. Acronym Geek. February 14, 2012, 06:24. Available at: http://www.acronymgeek.com/SYM. Accessed February 14, 2012, 06:24. |