| APA | SBD. (2012, February 8). In Acronym Geek. Retrieved 12:03, February 8, 2012, from http://www.acronymgeek.com/SBD |
| MLA | "SBD." Acronym Geek. (2012). Acronym Geek. 8 Feb 2012 <http://www.acronymgeek.com/SBD>. |
| MHRA | 'SBD', Acronym Geek, 8 February 2012, <http://www.acronymgeek.com/SBD> [accessed 8 February 2012] |
| Chicago | "SBD", http://www.acronymgeek.com/SBD (accessed February 8, 2012). |
| CBE/CSE | SBD [Internet]. Acronym Geek; 2012 Feb 8 [cited 2012 Feb 8]. Available from: http://www.acronymgeek.com/SBD. |
| Bluebook | SBD, http://www.acronymgeek.com/SBD (last visited February 8, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SBD, http://www.acronymgeek.com/SBD (optional description here) (as of Feb. 8, 2012, 12:03). |
| AMA | SBD. Acronym Geek. February 8, 2012, 12:03. Available at: http://www.acronymgeek.com/SBD. Accessed February 8, 2012, 12:03. |