| APA | SMD. (2012, February 14). In Acronym Geek. Retrieved 04:18, February 14, 2012, from http://www.acronymgeek.com/SMD |
| MLA | "SMD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SMD>. |
| MHRA | 'SMD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SMD> [accessed 14 February 2012] |
| Chicago | "SMD", http://www.acronymgeek.com/SMD (accessed February 14, 2012). |
| CBE/CSE | SMD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SMD. |
| Bluebook | SMD, http://www.acronymgeek.com/SMD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SMD, http://www.acronymgeek.com/SMD (optional description here) (as of Feb. 14, 2012, 04:18). |
| AMA | SMD. Acronym Geek. February 14, 2012, 04:18. Available at: http://www.acronymgeek.com/SMD. Accessed February 14, 2012, 04:18. |