| APA | SAD. (2012, February 15). In Acronym Geek. Retrieved 03:33, February 15, 2012, from http://www.acronymgeek.com/SAD |
| MLA | "SAD." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SAD>. |
| MHRA | 'SAD', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SAD> [accessed 15 February 2012] |
| Chicago | "SAD", http://www.acronymgeek.com/SAD (accessed February 15, 2012). |
| CBE/CSE | SAD [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SAD. |
| Bluebook | SAD, http://www.acronymgeek.com/SAD (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SAD, http://www.acronymgeek.com/SAD (optional description here) (as of Feb. 15, 2012, 03:33). |
| AMA | SAD. Acronym Geek. February 15, 2012, 03:33. Available at: http://www.acronymgeek.com/SAD. Accessed February 15, 2012, 03:33. |