| APA | STKK. (2012, February 16). In Acronym Geek. Retrieved 01:31, February 16, 2012, from http://www.acronymgeek.com/STKK |
| MLA | "STKK." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/STKK>. |
| MHRA | 'STKK', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/STKK> [accessed 16 February 2012] |
| Chicago | "STKK", http://www.acronymgeek.com/STKK (accessed February 16, 2012). |
| CBE/CSE | STKK [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/STKK. |
| Bluebook | STKK, http://www.acronymgeek.com/STKK (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, STKK, http://www.acronymgeek.com/STKK (optional description here) (as of Feb. 16, 2012, 01:31). |
| AMA | STKK. Acronym Geek. February 16, 2012, 01:31. Available at: http://www.acronymgeek.com/STKK. Accessed February 16, 2012, 01:31. |