| APA | TEL. (2012, February 13). In Acronym Geek. Retrieved 21:21, February 13, 2012, from http://www.acronymgeek.com/TEL |
| MLA | "TEL." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/TEL>. |
| MHRA | 'TEL', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/TEL> [accessed 13 February 2012] |
| Chicago | "TEL", http://www.acronymgeek.com/TEL (accessed February 13, 2012). |
| CBE/CSE | TEL [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/TEL. |
| Bluebook | TEL, http://www.acronymgeek.com/TEL (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TEL, http://www.acronymgeek.com/TEL (optional description here) (as of Feb. 13, 2012, 21:21). |
| AMA | TEL. Acronym Geek. February 13, 2012, 21:21. Available at: http://www.acronymgeek.com/TEL. Accessed February 13, 2012, 21:21. |