| APA | TLEN. (2012, February 15). In Acronym Geek. Retrieved 05:50, February 15, 2012, from http://www.acronymgeek.com/TLEN |
| MLA | "TLEN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/TLEN>. |
| MHRA | 'TLEN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/TLEN> [accessed 15 February 2012] |
| Chicago | "TLEN", http://www.acronymgeek.com/TLEN (accessed February 15, 2012). |
| CBE/CSE | TLEN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/TLEN. |
| Bluebook | TLEN, http://www.acronymgeek.com/TLEN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TLEN, http://www.acronymgeek.com/TLEN (optional description here) (as of Feb. 15, 2012, 05:50). |
| AMA | TLEN. Acronym Geek. February 15, 2012, 05:50. Available at: http://www.acronymgeek.com/TLEN. Accessed February 15, 2012, 05:50. |