| APA | LTSF. (2012, February 15). In Acronym Geek. Retrieved 06:41, February 15, 2012, from http://www.acronymgeek.com/LTSF |
| MLA | "LTSF." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/LTSF>. |
| MHRA | 'LTSF', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/LTSF> [accessed 15 February 2012] |
| Chicago | "LTSF", http://www.acronymgeek.com/LTSF (accessed February 15, 2012). |
| CBE/CSE | LTSF [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/LTSF. |
| Bluebook | LTSF, http://www.acronymgeek.com/LTSF (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LTSF, http://www.acronymgeek.com/LTSF (optional description here) (as of Feb. 15, 2012, 06:41). |
| AMA | LTSF. Acronym Geek. February 15, 2012, 06:41. Available at: http://www.acronymgeek.com/LTSF. Accessed February 15, 2012, 06:41. |