| APA | STF. (2012, February 14). In Acronym Geek. Retrieved 06:36, February 14, 2012, from http://www.acronymgeek.com/STF |
| MLA | "STF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/STF>. |
| MHRA | 'STF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/STF> [accessed 14 February 2012] |
| Chicago | "STF", http://www.acronymgeek.com/STF (accessed February 14, 2012). |
| CBE/CSE | STF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/STF. |
| Bluebook | STF, http://www.acronymgeek.com/STF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, STF, http://www.acronymgeek.com/STF (optional description here) (as of Feb. 14, 2012, 06:36). |
| AMA | STF. Acronym Geek. February 14, 2012, 06:36. Available at: http://www.acronymgeek.com/STF. Accessed February 14, 2012, 06:36. |