| APA | STKA. (2012, February 15). In Acronym Geek. Retrieved 14:12, February 15, 2012, from http://www.acronymgeek.com/STKA |
| MLA | "STKA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/STKA>. |
| MHRA | 'STKA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/STKA> [accessed 15 February 2012] |
| Chicago | "STKA", http://www.acronymgeek.com/STKA (accessed February 15, 2012). |
| CBE/CSE | STKA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/STKA. |
| Bluebook | STKA, http://www.acronymgeek.com/STKA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, STKA, http://www.acronymgeek.com/STKA (optional description here) (as of Feb. 15, 2012, 14:12). |
| AMA | STKA. Acronym Geek. February 15, 2012, 14:12. Available at: http://www.acronymgeek.com/STKA. Accessed February 15, 2012, 14:12. |