| APA | ULTE4. (2012, February 9). In Acronym Geek. Retrieved 21:42, February 9, 2012, from http://www.acronymgeek.com/ULTE4 |
| MLA | "ULTE4." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/ULTE4>. |
| MHRA | 'ULTE4', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/ULTE4> [accessed 9 February 2012] |
| Chicago | "ULTE4", http://www.acronymgeek.com/ULTE4 (accessed February 9, 2012). |
| CBE/CSE | ULTE4 [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/ULTE4. |
| Bluebook | ULTE4, http://www.acronymgeek.com/ULTE4 (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ULTE4, http://www.acronymgeek.com/ULTE4 (optional description here) (as of Feb. 9, 2012, 21:42). |
| AMA | ULTE4. Acronym Geek. February 9, 2012, 21:42. Available at: http://www.acronymgeek.com/ULTE4. Accessed February 9, 2012, 21:42. |