| APA | UREI. (2012, February 15). In Acronym Geek. Retrieved 00:25, February 15, 2012, from http://www.acronymgeek.com/UREI |
| MLA | "UREI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/UREI>. |
| MHRA | 'UREI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/UREI> [accessed 15 February 2012] |
| Chicago | "UREI", http://www.acronymgeek.com/UREI (accessed February 15, 2012). |
| CBE/CSE | UREI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/UREI. |
| Bluebook | UREI, http://www.acronymgeek.com/UREI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, UREI, http://www.acronymgeek.com/UREI (optional description here) (as of Feb. 15, 2012, 00:25). |
| AMA | UREI. Acronym Geek. February 15, 2012, 00:25. Available at: http://www.acronymgeek.com/UREI. Accessed February 15, 2012, 00:25. |