| APA | STDK. (2012, February 17). In Acronym Geek. Retrieved 01:33, February 17, 2012, from http://www.acronymgeek.com/STDK |
| MLA | "STDK." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/STDK>. |
| MHRA | 'STDK', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/STDK> [accessed 17 February 2012] |
| Chicago | "STDK", http://www.acronymgeek.com/STDK (accessed February 17, 2012). |
| CBE/CSE | STDK [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/STDK. |
| Bluebook | STDK, http://www.acronymgeek.com/STDK (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, STDK, http://www.acronymgeek.com/STDK (optional description here) (as of Feb. 17, 2012, 01:33). |
| AMA | STDK. Acronym Geek. February 17, 2012, 01:33. Available at: http://www.acronymgeek.com/STDK. Accessed February 17, 2012, 01:33. |