| APA | STFL. (2012, February 15). In Acronym Geek. Retrieved 17:24, February 15, 2012, from http://www.acronymgeek.com/STFL |
| MLA | "STFL." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/STFL>. |
| MHRA | 'STFL', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/STFL> [accessed 15 February 2012] |
| Chicago | "STFL", http://www.acronymgeek.com/STFL (accessed February 15, 2012). |
| CBE/CSE | STFL [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/STFL. |
| Bluebook | STFL, http://www.acronymgeek.com/STFL (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, STFL, http://www.acronymgeek.com/STFL (optional description here) (as of Feb. 15, 2012, 17:24). |
| AMA | STFL. Acronym Geek. February 15, 2012, 17:24. Available at: http://www.acronymgeek.com/STFL. Accessed February 15, 2012, 17:24. |