| APA | SDYR. (2012, February 15). In Acronym Geek. Retrieved 08:33, February 15, 2012, from http://www.acronymgeek.com/SDYR |
| MLA | "SDYR." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SDYR>. |
| MHRA | 'SDYR', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SDYR> [accessed 15 February 2012] |
| Chicago | "SDYR", http://www.acronymgeek.com/SDYR (accessed February 15, 2012). |
| CBE/CSE | SDYR [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SDYR. |
| Bluebook | SDYR, http://www.acronymgeek.com/SDYR (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SDYR, http://www.acronymgeek.com/SDYR (optional description here) (as of Feb. 15, 2012, 08:33). |
| AMA | SDYR. Acronym Geek. February 15, 2012, 08:33. Available at: http://www.acronymgeek.com/SDYR. Accessed February 15, 2012, 08:33. |