| APA | SDB. (2012, February 13). In Acronym Geek. Retrieved 23:06, February 13, 2012, from http://www.acronymgeek.com/SDB |
| MLA | "SDB." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/SDB>. |
| MHRA | 'SDB', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/SDB> [accessed 13 February 2012] |
| Chicago | "SDB", http://www.acronymgeek.com/SDB (accessed February 13, 2012). |
| CBE/CSE | SDB [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/SDB. |
| Bluebook | SDB, http://www.acronymgeek.com/SDB (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SDB, http://www.acronymgeek.com/SDB (optional description here) (as of Feb. 13, 2012, 23:06). |
| AMA | SDB. Acronym Geek. February 13, 2012, 23:06. Available at: http://www.acronymgeek.com/SDB. Accessed February 13, 2012, 23:06. |