| APA | STKF. (2012, February 15). In Acronym Geek. Retrieved 01:16, February 15, 2012, from http://www.acronymgeek.com/STKF |
| MLA | "STKF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/STKF>. |
| MHRA | 'STKF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/STKF> [accessed 15 February 2012] |
| Chicago | "STKF", http://www.acronymgeek.com/STKF (accessed February 15, 2012). |
| CBE/CSE | STKF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/STKF. |
| Bluebook | STKF, http://www.acronymgeek.com/STKF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, STKF, http://www.acronymgeek.com/STKF (optional description here) (as of Feb. 15, 2012, 01:16). |
| AMA | STKF. Acronym Geek. February 15, 2012, 01:16. Available at: http://www.acronymgeek.com/STKF. Accessed February 15, 2012, 01:16. |