| APA | TU. (2012, February 9). In Acronym Geek. Retrieved 16:52, February 9, 2012, from http://www.acronymgeek.com/TU |
| MLA | "TU." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/TU>. |
| MHRA | 'TU', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/TU> [accessed 9 February 2012] |
| Chicago | "TU", http://www.acronymgeek.com/TU (accessed February 9, 2012). |
| CBE/CSE | TU [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/TU. |
| Bluebook | TU, http://www.acronymgeek.com/TU (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, TU, http://www.acronymgeek.com/TU (optional description here) (as of Feb. 9, 2012, 16:52). |
| AMA | TU. Acronym Geek. February 9, 2012, 16:52. Available at: http://www.acronymgeek.com/TU. Accessed February 9, 2012, 16:52. |